Remove `BaseDendrite` (#3023)

Removes `BaseDendrite` to, hopefully, make testing and composing of
components easier in the future.

68 files changed, 1186 insertions, 1002 deletions

diff --git a/appservice/appservice.go b/appservice/appservice.go
index 5b1b93de..d13d9eb1 100644
--- a/appservice/appservice.go
+++ b/appservice/appservice.go
@@ -21,6 +21,8 @@ import (
 	"sync"
 	"time"
 
+	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/sirupsen/logrus"
 
 	"github.com/matrix-org/gomatrixserverlib"
@@ -29,7 +31,6 @@ import (
 	"github.com/matrix-org/dendrite/appservice/consumers"
 	"github.com/matrix-org/dendrite/appservice/query"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 )
@@ -37,7 +38,9 @@ import (
 // NewInternalAPI returns a concerete implementation of the internal API. Callers
 // can call functions directly on the returned API or via an HTTP interface using AddInternalRoutes.
 func NewInternalAPI(
-	base *base.BaseDendrite,
+	processContext *process.ProcessContext,
+	cfg *config.Dendrite,
+	natsInstance *jetstream.NATSInstance,
 	userAPI userapi.AppserviceUserAPI,
 	rsAPI roomserverAPI.RoomserverInternalAPI,
 ) appserviceAPI.AppServiceInternalAPI {
@@ -46,7 +49,7 @@ func NewInternalAPI(
 		Transport: &http.Transport{
 			DisableKeepAlives: true,
 			TLSClientConfig: &tls.Config{
-				InsecureSkipVerify: base.Cfg.AppServiceAPI.DisableTLSValidation,
+				InsecureSkipVerify: cfg.AppServiceAPI.DisableTLSValidation,
 			},
 			Proxy: http.ProxyFromEnvironment,
 		},
@@ -55,21 +58,21 @@ func NewInternalAPI(
 	// outbound and inbound requests (inbound only for the internal API)
 	appserviceQueryAPI := &query.AppServiceQueryAPI{
 		HTTPClient:    client,
-		Cfg:           &base.Cfg.AppServiceAPI,
+		Cfg:           &cfg.AppServiceAPI,
 		ProtocolCache: map[string]appserviceAPI.ASProtocolResponse{},
 		CacheMu:       sync.Mutex{},
 	}
 
-	if len(base.Cfg.Derived.ApplicationServices) == 0 {
+	if len(cfg.Derived.ApplicationServices) == 0 {
 		return appserviceQueryAPI
 	}
 
 	// Wrap application services in a type that relates the application service and
 	// a sync.Cond object that can be used to notify workers when there are new
 	// events to be sent out.
-	for _, appservice := range base.Cfg.Derived.ApplicationServices {
+	for _, appservice := range cfg.Derived.ApplicationServices {
 		// Create bot account for this AS if it doesn't already exist
-		if err := generateAppServiceAccount(userAPI, appservice, base.Cfg.Global.ServerName); err != nil {
+		if err := generateAppServiceAccount(userAPI, appservice, cfg.Global.ServerName); err != nil {
 			logrus.WithFields(logrus.Fields{
 				"appservice": appservice.ID,
 			}).WithError(err).Panicf("failed to generate bot account for appservice")
@@ -78,9 +81,9 @@ func NewInternalAPI(
 
 	// Only consume if we actually have ASes to track, else we'll just chew cycles needlessly.
 	// We can't add ASes at runtime so this is safe to do.
-	js, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
+	js, _ := natsInstance.Prepare(processContext, &cfg.Global.JetStream)
 	consumer := consumers.NewOutputRoomEventConsumer(
-		base.ProcessContext, &base.Cfg.AppServiceAPI,
+		processContext, &cfg.AppServiceAPI,
 		client, js, rsAPI,
 	)
 	if err := consumer.Start(); err != nil {
diff --git a/appservice/appservice_test.go b/appservice/appservice_test.go
index ad6f1dfc..6c8a07b5 100644
--- a/appservice/appservice_test.go
+++ b/appservice/appservice_test.go
@@ -9,12 +9,15 @@ import (
 	"regexp"
 	"strings"
 	"testing"
+	"time"
 
 	"github.com/matrix-org/dendrite/appservice"
 	"github.com/matrix-org/dendrite/appservice/api"
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/roomserver"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/userapi"
 
@@ -105,11 +108,11 @@ func TestAppserviceInternalAPI(t *testing.T) {
 	}
 
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, closeBase := testrig.CreateBaseDendrite(t, dbType)
-		defer closeBase()
+		cfg, ctx, close := testrig.CreateConfig(t, dbType)
+		defer close()
 
 		// Create a dummy application service
-		base.Cfg.AppServiceAPI.Derived.ApplicationServices = []config.ApplicationService{
+		cfg.AppServiceAPI.Derived.ApplicationServices = []config.ApplicationService{
 			{
 				ID:              "someID",
 				URL:             srv.URL,
@@ -124,11 +127,17 @@ func TestAppserviceInternalAPI(t *testing.T) {
 			},
 		}
 
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
+		t.Cleanup(func() {
+			ctx.ShutdownDendrite()
+			ctx.WaitForShutdown()
+		})
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
 		// Create required internal APIs
-		rsAPI := roomserver.NewInternalAPI(base, caches)
-		usrAPI := userapi.NewInternalAPI(base, rsAPI, nil)
-		asAPI := appservice.NewInternalAPI(base, usrAPI, rsAPI)
+		natsInstance := jetstream.NATSInstance{}
+		cm := sqlutil.NewConnectionManager(ctx, cfg.Global.DatabaseOptions)
+		rsAPI := roomserver.NewInternalAPI(ctx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
+		usrAPI := userapi.NewInternalAPI(ctx, cfg, cm, &natsInstance, rsAPI, nil)
+		asAPI := appservice.NewInternalAPI(ctx, cfg, &natsInstance, usrAPI, rsAPI)
 
 		runCases(t, asAPI)
 	})
diff --git a/build/dendritejs-pinecone/main.go b/build/dendritejs-pinecone/main.go
index 96f034bd..bc9535fc 100644
--- a/build/dendritejs-pinecone/main.go
+++ b/build/dendritejs-pinecone/main.go
@@ -31,10 +31,12 @@ import (
 	"github.com/matrix-org/dendrite/federationapi"
 	"github.com/matrix-org/dendrite/internal/caching"
 	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/roomserver"
 	"github.com/matrix-org/dendrite/setup"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/dendrite/userapi"
 
 	"github.com/matrix-org/gomatrixserverlib"
@@ -158,9 +160,8 @@ func startup() {
 	pManager.AddPeer("wss://pinecone.matrix.org/public")
 
 	cfg := &config.Dendrite{}
-	cfg.Defaults(true)
+	cfg.Defaults(config.DefaultOpts{Generate: true, SingleDatabase: false})
 	cfg.UserAPI.AccountDatabase.ConnectionString = "file:/idb/dendritejs_account.db"
-	cfg.AppServiceAPI.Database.ConnectionString = "file:/idb/dendritejs_appservice.db"
 	cfg.FederationAPI.Database.ConnectionString = "file:/idb/dendritejs_fedsender.db"
 	cfg.MediaAPI.Database.ConnectionString = "file:/idb/dendritejs_mediaapi.db"
 	cfg.RoomServer.Database.ConnectionString = "file:/idb/dendritejs_roomserver.db"
@@ -177,29 +178,30 @@ func startup() {
 	if err := cfg.Derive(); err != nil {
 		logrus.Fatalf("Failed to derive values from config: %s", err)
 	}
-	base := base.NewBaseDendrite(cfg)
-	defer base.Close() // nolint: errcheck
+	natsInstance := jetstream.NATSInstance{}
+	processCtx := process.NewProcessContext()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	routers := httputil.NewRouters()
+	caches := caching.NewRistrettoCache(cfg.Global.Cache.EstimatedMaxSize, cfg.Global.Cache.MaxAge, caching.EnableMetrics)
+	rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.EnableMetrics)
 
-	rsAPI := roomserver.NewInternalAPI(base)
-
-	federation := conn.CreateFederationClient(base, pSessions)
+	federation := conn.CreateFederationClient(cfg, pSessions)
 
 	serverKeyAPI := &signing.YggdrasilKeys{}
 	keyRing := serverKeyAPI.KeyRing()
 
-	userAPI := userapi.NewInternalAPI(base, rsAPI, federation)
+	userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, federation)
 
 	asQuery := appservice.NewInternalAPI(
-		base, userAPI, rsAPI,
+		processCtx, cfg, &natsInstance, userAPI, rsAPI,
 	)
 	rsAPI.SetAppserviceAPI(asQuery)
-	caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.EnableMetrics)
-	fedSenderAPI := federationapi.NewInternalAPI(base, federation, rsAPI, caches, keyRing, true)
+	fedSenderAPI := federationapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, federation, rsAPI, caches, keyRing, true)
 	rsAPI.SetFederationAPI(fedSenderAPI, keyRing)
 
 	monolith := setup.Monolith{
-		Config:    base.Cfg,
-		Client:    conn.CreateClient(base, pSessions),
+		Config:    cfg,
+		Client:    conn.CreateClient(pSessions),
 		FedClient: federation,
 		KeyRing:   keyRing,
 
@@ -210,15 +212,15 @@ func startup() {
 		//ServerKeyAPI:        serverKeyAPI,
 		ExtPublicRoomsProvider: rooms.NewPineconeRoomProvider(pRouter, pSessions, fedSenderAPI, federation),
 	}
-	monolith.AddAllPublicRoutes(base, caches)
+	monolith.AddAllPublicRoutes(processCtx, cfg, routers, cm, &natsInstance, caches, caching.EnableMetrics)
 
 	httpRouter := mux.NewRouter().SkipClean(true).UseEncodedPath()
-	httpRouter.PathPrefix(httputil.PublicClientPathPrefix).Handler(base.Routers.Client)
-	httpRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(base.Routers.Media)
+	httpRouter.PathPrefix(httputil.PublicClientPathPrefix).Handler(routers.Client)
+	httpRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(routers.Media)
 
 	p2pRouter := pSessions.Protocol("matrix").HTTP().Mux()
-	p2pRouter.Handle(httputil.PublicFederationPathPrefix, base.Routers.Federation)
-	p2pRouter.Handle(httputil.PublicMediaPathPrefix, base.Routers.Media)
+	p2pRouter.Handle(httputil.PublicFederationPathPrefix, routers.Federation)
+	p2pRouter.Handle(httputil.PublicMediaPathPrefix, routers.Media)
 
 	// Expose the matrix APIs via fetch - for local traffic
 	go func() {
diff --git a/build/gobind-pinecone/monolith.go b/build/gobind-pinecone/monolith.go
index 16797eec..2e2ca04d 100644
--- a/build/gobind-pinecone/monolith.go
+++ b/build/gobind-pinecone/monolith.go
@@ -30,6 +30,9 @@ import (
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-pinecone/relay"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/signing"
 	"github.com/matrix-org/dendrite/federationapi/api"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/process"
 	userapiAPI "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/pinecone/types"
@@ -187,7 +190,7 @@ func (m *DendriteMonolith) SetRelayServers(nodeID string, uris string) {
 		relay.UpdateNodeRelayServers(
 			gomatrixserverlib.ServerName(nodeKey),
 			relays,
-			m.p2pMonolith.BaseDendrite.Context(),
+			m.p2pMonolith.ProcessCtx.Context(),
 			m.p2pMonolith.GetFederationAPI(),
 		)
 	}
@@ -214,7 +217,7 @@ func (m *DendriteMonolith) GetRelayServers(nodeID string) string {
 	} else {
 		request := api.P2PQueryRelayServersRequest{Server: gomatrixserverlib.ServerName(nodeKey)}
 		response := api.P2PQueryRelayServersResponse{}
-		err := m.p2pMonolith.GetFederationAPI().P2PQueryRelayServers(m.p2pMonolith.BaseDendrite.Context(), &request, &response)
+		err := m.p2pMonolith.GetFederationAPI().P2PQueryRelayServers(m.p2pMonolith.ProcessCtx.Context(), &request, &response)
 		if err != nil {
 			logrus.Warnf("Failed obtaining list of this node's relay servers: %s", err.Error())
 			return ""
@@ -346,10 +349,14 @@ func (m *DendriteMonolith) Start() {
 	// This isn't actually fixed: https://github.com/blevesearch/zapx/pull/147
 	cfg.SyncAPI.Fulltext.Enabled = false
 
+	processCtx := process.NewProcessContext()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	routers := httputil.NewRouters()
+
 	enableRelaying := false
 	enableMetrics := false
 	enableWebsockets := false
-	m.p2pMonolith.SetupDendrite(cfg, 65432, enableRelaying, enableMetrics, enableWebsockets)
+	m.p2pMonolith.SetupDendrite(processCtx, cfg, cm, routers, 65432, enableRelaying, enableMetrics, enableWebsockets)
 	m.p2pMonolith.StartMonolith()
 }
 
diff --git a/build/gobind-yggdrasil/monolith.go b/build/gobind-yggdrasil/monolith.go
index 8faad1d0..7ce1892c 100644
--- a/build/gobind-yggdrasil/monolith.go
+++ b/build/gobind-yggdrasil/monolith.go
@@ -12,6 +12,7 @@ import (
 	"path/filepath"
 	"time"
 
+	"github.com/getsentry/sentry-go"
 	"github.com/gorilla/mux"
 	"github.com/matrix-org/dendrite/appservice"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/signing"
@@ -19,12 +20,15 @@ import (
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/yggrooms"
 	"github.com/matrix-org/dendrite/federationapi"
 	"github.com/matrix-org/dendrite/federationapi/api"
+	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/internal/caching"
 	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/roomserver"
 	"github.com/matrix-org/dendrite/setup"
-	"github.com/matrix-org/dendrite/setup/base"
+	basepkg "github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/userapi"
@@ -149,26 +153,71 @@ func (m *DendriteMonolith) Start() {
 		panic(err)
 	}
 
-	base := base.NewBaseDendrite(cfg)
-	base.ConfigureAdminEndpoints()
-	m.processContext = base.ProcessContext
-	defer base.Close() // nolint: errcheck
+	configErrors := &config.ConfigErrors{}
+	cfg.Verify(configErrors)
+	if len(*configErrors) > 0 {
+		for _, err := range *configErrors {
+			logrus.Errorf("Configuration error: %s", err)
+		}
+		logrus.Fatalf("Failed to start due to configuration errors")
+	}
+
+	internal.SetupStdLogging()
+	internal.SetupHookLogging(cfg.Logging)
+	internal.SetupPprof()
+
+	logrus.Infof("Dendrite version %s", internal.VersionString())
+
+	if !cfg.ClientAPI.RegistrationDisabled && cfg.ClientAPI.OpenRegistrationWithoutVerificationEnabled {
+		logrus.Warn("Open registration is enabled")
+	}
 
-	federation := ygg.CreateFederationClient(base)
+	closer, err := cfg.SetupTracing()
+	if err != nil {
+		logrus.WithError(err).Panicf("failed to start opentracing")
+	}
+	defer closer.Close()
+
+	if cfg.Global.Sentry.Enabled {
+		logrus.Info("Setting up Sentry for debugging...")
+		err = sentry.Init(sentry.ClientOptions{
+			Dsn:              cfg.Global.Sentry.DSN,
+			Environment:      cfg.Global.Sentry.Environment,
+			Debug:            true,
+			ServerName:       string(cfg.Global.ServerName),
+			Release:          "dendrite@" + internal.VersionString(),
+			AttachStacktrace: true,
+		})
+		if err != nil {
+			logrus.WithError(err).Panic("failed to start Sentry")
+		}
+	}
+	processCtx := process.NewProcessContext()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	routers := httputil.NewRouters()
+	basepkg.ConfigureAdminEndpoints(processCtx, routers)
+	m.processContext = processCtx
+	defer func() {
+		processCtx.ShutdownDendrite()
+		processCtx.WaitForShutdown()
+	}() // nolint: errcheck
+
+	federation := ygg.CreateFederationClient(cfg)
 
 	serverKeyAPI := &signing.YggdrasilKeys{}
 	keyRing := serverKeyAPI.KeyRing()
 
-	caches := caching.NewRistrettoCache(cfg.Global.Cache.EstimatedMaxSize, cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-	rsAPI := roomserver.NewInternalAPI(base, caches)
+	caches := caching.NewRistrettoCache(cfg.Global.Cache.EstimatedMaxSize, cfg.Global.Cache.MaxAge, caching.EnableMetrics)
+	natsInstance := jetstream.NATSInstance{}
+	rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.EnableMetrics)
 
 	fsAPI := federationapi.NewInternalAPI(
-		base, federation, rsAPI, caches, keyRing, true,
+		processCtx, cfg, cm, &natsInstance, federation, rsAPI, caches, keyRing, true,
 	)
 
-	userAPI := userapi.NewInternalAPI(base, rsAPI, federation)
+	userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, federation)
 
-	asAPI := appservice.NewInternalAPI(base, userAPI, rsAPI)
+	asAPI := appservice.NewInternalAPI(processCtx, cfg, &natsInstance, userAPI, rsAPI)
 	rsAPI.SetAppserviceAPI(asAPI)
 
 	// The underlying roomserver implementation needs to be able to call the fedsender.
@@ -176,8 +225,8 @@ func (m *DendriteMonolith) Start() {
 	rsAPI.SetFederationAPI(fsAPI, keyRing)
 
 	monolith := setup.Monolith{
-		Config:    base.Cfg,
-		Client:    ygg.CreateClient(base),
+		Config:    cfg,
+		Client:    ygg.CreateClient(),
 		FedClient: federation,
 		KeyRing:   keyRing,
 
@@ -189,17 +238,17 @@ func (m *DendriteMonolith) Start() {
 			ygg, fsAPI, federation,
 		),
 	}
-	monolith.AddAllPublicRoutes(base, caches)
+	monolith.AddAllPublicRoutes(processCtx, cfg, routers, cm, &natsInstance, caches, caching.EnableMetrics)
 
 	httpRouter := mux.NewRouter()
-	httpRouter.PathPrefix(httputil.PublicClientPathPrefix).Handler(base.Routers.Client)
-	httpRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(base.Routers.Media)
-	httpRouter.PathPrefix(httputil.DendriteAdminPathPrefix).Handler(base.Routers.DendriteAdmin)
-	httpRouter.PathPrefix(httputil.SynapseAdminPathPrefix).Handler(base.Routers.SynapseAdmin)
+	httpRouter.PathPrefix(httputil.PublicClientPathPrefix).Handler(routers.Client)
+	httpRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(routers.Media)
+	httpRouter.PathPrefix(httputil.DendriteAdminPathPrefix).Handler(routers.DendriteAdmin)
+	httpRouter.PathPrefix(httputil.SynapseAdminPathPrefix).Handler(routers.SynapseAdmin)
 
 	yggRouter := mux.NewRouter()
-	yggRouter.PathPrefix(httputil.PublicFederationPathPrefix).Handler(base.Routers.Federation)
-	yggRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(base.Routers.Media)
+	yggRouter.PathPrefix(httputil.PublicFederationPathPrefix).Handler(routers.Federation)
+	yggRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(routers.Media)
 
 	// Build both ends of a HTTP multiplex.
 	m.httpServer = &http.Server{
diff --git a/clientapi/admin_test.go b/clientapi/admin_test.go
index 46e2d303..4d2bf67b 100644
--- a/clientapi/admin_test.go
+++ b/clientapi/admin_test.go
@@ -5,13 +5,17 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"testing"
+	"time"
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/federationapi"
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/roomserver"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/syncapi"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
@@ -30,20 +34,22 @@ func TestAdminResetPassword(t *testing.T) {
 
 	ctx := context.Background()
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, baseClose := testrig.CreateBaseDendrite(t, dbType)
-		defer baseClose()
-
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		defer close()
+		natsInstance := jetstream.NATSInstance{}
 		// add a vhost
-		base.Cfg.Global.VirtualHosts = append(base.Cfg.Global.VirtualHosts, &config.VirtualHost{
+		cfg.Global.VirtualHosts = append(cfg.Global.VirtualHosts, &config.VirtualHost{
 			SigningIdentity: gomatrixserverlib.SigningIdentity{ServerName: "vh1"},
 		})
 
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
+		routers := httputil.NewRouters()
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
 		// Needed for changing the password/login
-		userAPI := userapi.NewInternalAPI(base, rsAPI, nil)
+		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, nil)
 		// We mostly need the userAPI for this test, so nil for other APIs/caches etc.
-		AddPublicRoutes(base, nil, rsAPI, nil, nil, nil, userAPI, nil, nil)
+		AddPublicRoutes(processCtx, routers, cfg, &natsInstance, nil, rsAPI, nil, nil, nil, userAPI, nil, nil, caching.DisableMetrics)
 
 		// Create the users in the userapi and login
 		accessTokens := map[*test.User]string{
@@ -73,7 +79,7 @@ func TestAdminResetPassword(t *testing.T) {
 				"password": password,
 			}))
 			rec := httptest.NewRecorder()
-			base.Routers.Client.ServeHTTP(rec, req)
+			routers.Client.ServeHTTP(rec, req)
 			if rec.Code != http.StatusOK {
 				t.Fatalf("failed to login: %s", rec.Body.String())
 			}
@@ -126,7 +132,7 @@ func TestAdminResetPassword(t *testing.T) {
 				}
 
 				rec := httptest.NewRecorder()
-				base.Routers.DendriteAdmin.ServeHTTP(rec, req)
+				routers.DendriteAdmin.ServeHTTP(rec, req)
 				t.Logf("%s", rec.Body.String())
 				if tc.wantOK && rec.Code != http.StatusOK {
 					t.Fatalf("expected http status %d, got %d: %s", http.StatusOK, rec.Code, rec.Body.String())
@@ -149,17 +155,19 @@ func TestPurgeRoom(t *testing.T) {
 	ctx := context.Background()
 
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, baseClose := testrig.CreateBaseDendrite(t, dbType)
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		defer baseClose()
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		natsInstance := jetstream.NATSInstance{}
+		defer close()
 
-		fedClient := base.CreateFederationClient()
-		rsAPI := roomserver.NewInternalAPI(base, caches)
-		userAPI := userapi.NewInternalAPI(base, rsAPI, nil)
+		routers := httputil.NewRouters()
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
+		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, nil)
 
 		// this starts the JetStream consumers
-		syncapi.AddPublicRoutes(base, userAPI, rsAPI, caches)
-		federationapi.NewInternalAPI(base, fedClient, rsAPI, caches, nil, true)
+		syncapi.AddPublicRoutes(processCtx, routers, cfg, cm, &natsInstance, userAPI, rsAPI, caches, caching.DisableMetrics)
+		federationapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, nil, rsAPI, caches, nil, true)
 		rsAPI.SetFederationAPI(nil, nil)
 
 		// Create the room
@@ -168,7 +176,7 @@ func TestPurgeRoom(t *testing.T) {
 		}
 
 		// We mostly need the rsAPI for this test, so nil for other APIs/caches etc.
-		AddPublicRoutes(base, nil, rsAPI, nil, nil, nil, userAPI, nil, nil)
+		AddPublicRoutes(processCtx, routers, cfg, &natsInstance, nil, rsAPI, nil, nil, nil, userAPI, nil, nil, caching.DisableMetrics)
 
 		// Create the users in the userapi and login
 		accessTokens := map[*test.User]string{
@@ -196,7 +204,7 @@ func TestPurgeRoom(t *testing.T) {
 				"password": password,
 			}))
 			rec := httptest.NewRecorder()
-			base.Routers.Client.ServeHTTP(rec, req)
+			routers.Client.ServeHTTP(rec, req)
 			if rec.Code != http.StatusOK {
 				t.Fatalf("failed to login: %s", rec.Body.String())
 			}
@@ -221,7 +229,7 @@ func TestPurgeRoom(t *testing.T) {
 				req.Header.Set("Authorization", "Bearer "+accessTokens[aliceAdmin])
 
 				rec := httptest.NewRecorder()
-				base.Routers.DendriteAdmin.ServeHTTP(rec, req)
+				routers.DendriteAdmin.ServeHTTP(rec, req)
 				t.Logf("%s", rec.Body.String())
 				if tc.wantOK && rec.Code != http.StatusOK {
 					t.Fatalf("expected http status %d, got %d: %s", http.StatusOK, rec.Code, rec.Body.String())
diff --git a/clientapi/clientapi.go b/clientapi/clientapi.go
index e9985d43..d35f1d4d 100644
--- a/clientapi/clientapi.go
+++ b/clientapi/clientapi.go
@@ -15,6 +15,9 @@
 package clientapi
 
 import (
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/process"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
 
@@ -25,13 +28,15 @@ import (
 	federationAPI "github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/internal/transactions"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 )
 
 // AddPublicRoutes sets up and registers HTTP handlers for the ClientAPI component.
 func AddPublicRoutes(
-	base *base.BaseDendrite,
+	processContext *process.ProcessContext,
+	routers httputil.Routers,
+	cfg *config.Dendrite,
+	natsInstance *jetstream.NATSInstance,
 	federation *gomatrixserverlib.FederationClient,
 	rsAPI roomserverAPI.ClientRoomserverAPI,
 	asAPI appserviceAPI.AppServiceInternalAPI,
@@ -39,27 +44,25 @@ func AddPublicRoutes(
 	fsAPI federationAPI.ClientFederationAPI,
 	userAPI userapi.ClientUserAPI,
 	userDirectoryProvider userapi.QuerySearchProfilesAPI,
-	extRoomsProvider api.ExtraPublicRoomsProvider,
+	extRoomsProvider api.ExtraPublicRoomsProvider, enableMetrics bool,
 ) {
-	cfg := &base.Cfg.ClientAPI
-	mscCfg := &base.Cfg.MSCs
-	js, natsClient := base.NATS.Prepare(base.ProcessContext, &cfg.Matrix.JetStream)
+	js, natsClient := natsInstance.Prepare(processContext, &cfg.Global.JetStream)
 
 	syncProducer := &producers.SyncAPIProducer{
 		JetStream:              js,
-		TopicReceiptEvent:      cfg.Matrix.JetStream.Prefixed(jetstream.OutputReceiptEvent),
-		TopicSendToDeviceEvent: cfg.Matrix.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
-		TopicTypingEvent:       cfg.Matrix.JetStream.Prefixed(jetstream.OutputTypingEvent),
-		TopicPresenceEvent:     cfg.Matrix.JetStream.Prefixed(jetstream.OutputPresenceEvent),
+		TopicReceiptEvent:      cfg.Global.JetStream.Prefixed(jetstream.OutputReceiptEvent),
+		TopicSendToDeviceEvent: cfg.Global.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
+		TopicTypingEvent:       cfg.Global.JetStream.Prefixed(jetstream.OutputTypingEvent),
+		TopicPresenceEvent:     cfg.Global.JetStream.Prefixed(jetstream.OutputPresenceEvent),
 		UserAPI:                userAPI,
-		ServerName:             cfg.Matrix.ServerName,
+		ServerName:             cfg.Global.ServerName,
 	}
 
 	routing.Setup(
-		base,
+		routers,
 		cfg, rsAPI, asAPI,
 		userAPI, userDirectoryProvider, federation,
 		syncProducer, transactionsCache, fsAPI,
-		extRoomsProvider, mscCfg, natsClient,
+		extRoomsProvider, natsClient, enableMetrics,
 	)
 }
diff --git a/clientapi/routing/auth_fallback_test.go b/clientapi/routing/auth_fallback_test.go
index 534581bd..afeca051 100644
--- a/clientapi/routing/auth_fallback_test.go
+++ b/clientapi/routing/auth_fallback_test.go
@@ -10,30 +10,28 @@ import (
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/setup/config"
-	"github.com/matrix-org/dendrite/test/testrig"
 )
 
 func Test_AuthFallback(t *testing.T) {
-	base, _, _ := testrig.Base(nil)
-	defer base.Close()
-
+	cfg := config.Dendrite{}
+	cfg.Defaults(config.DefaultOpts{Generate: true, SingleDatabase: true})
 	for _, useHCaptcha := range []bool{false, true} {
 		for _, recaptchaEnabled := range []bool{false, true} {
 			for _, wantErr := range []bool{false, true} {
 				t.Run(fmt.Sprintf("useHCaptcha(%v) - recaptchaEnabled(%v) - wantErr(%v)", useHCaptcha, recaptchaEnabled, wantErr), func(t *testing.T) {
 					// Set the defaults for each test
-					base.Cfg.ClientAPI.Defaults(config.DefaultOpts{Generate: true, SingleDatabase: true})
-					base.Cfg.ClientAPI.RecaptchaEnabled = recaptchaEnabled
-					base.Cfg.ClientAPI.RecaptchaPublicKey = "pub"
-					base.Cfg.ClientAPI.RecaptchaPrivateKey = "priv"
+					cfg.ClientAPI.Defaults(config.DefaultOpts{Generate: true, SingleDatabase: true})
+					cfg.ClientAPI.RecaptchaEnabled = recaptchaEnabled
+					cfg.ClientAPI.RecaptchaPublicKey = "pub"
+					cfg.ClientAPI.RecaptchaPrivateKey = "priv"
 					if useHCaptcha {
-						base.Cfg.ClientAPI.RecaptchaSiteVerifyAPI = "https://hcaptcha.com/siteverify"
-						base.Cfg.ClientAPI.RecaptchaApiJsUrl = "https://js.hcaptcha.com/1/api.js"
-						base.Cfg.ClientAPI.RecaptchaFormField = "h-captcha-response"
-						base.Cfg.ClientAPI.RecaptchaSitekeyClass = "h-captcha"
+						cfg.ClientAPI.RecaptchaSiteVerifyAPI = "https://hcaptcha.com/siteverify"
+						cfg.ClientAPI.RecaptchaApiJsUrl = "https://js.hcaptcha.com/1/api.js"
+						cfg.ClientAPI.RecaptchaFormField = "h-captcha-response"
+						cfg.ClientAPI.RecaptchaSitekeyClass = "h-captcha"
 					}
 					cfgErrs := &config.ConfigErrors{}
-					base.Cfg.ClientAPI.Verify(cfgErrs)
+					cfg.ClientAPI.Verify(cfgErrs)
 					if len(*cfgErrs) > 0 {
 						t.Fatalf("(hCaptcha=%v) unexpected config errors: %s", useHCaptcha, cfgErrs.Error())
 					}
@@ -41,7 +39,7 @@ func Test_AuthFallback(t *testing.T) {
 					req := httptest.NewRequest(http.MethodGet, "/?session=1337", nil)
 					rec := httptest.NewRecorder()
 
-					AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &base.Cfg.ClientAPI)
+					AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &cfg.ClientAPI)
 					if !recaptchaEnabled {
 						if rec.Code != http.StatusBadRequest {
 							t.Fatalf("unexpected response code: %d, want %d", rec.Code, http.StatusBadRequest)
@@ -50,8 +48,8 @@ func Test_AuthFallback(t *testing.T) {
 							t.Fatalf("unexpected response body: %s", rec.Body.String())
 						}
 					} else {
-						if !strings.Contains(rec.Body.String(), base.Cfg.ClientAPI.RecaptchaSitekeyClass) {
-							t.Fatalf("body does not contain %s: %s", base.Cfg.ClientAPI.RecaptchaSitekeyClass, rec.Body.String())
+						if !strings.Contains(rec.Body.String(), cfg.ClientAPI.RecaptchaSitekeyClass) {
+							t.Fatalf("body does not contain %s: %s", cfg.ClientAPI.RecaptchaSitekeyClass, rec.Body.String())
 						}
 					}
 
@@ -64,14 +62,14 @@ func Test_AuthFallback(t *testing.T) {
 					}))
 					defer srv.Close() // nolint: errcheck
 
-					base.Cfg.ClientAPI.RecaptchaSiteVerifyAPI = srv.URL
+					cfg.ClientAPI.RecaptchaSiteVerifyAPI = srv.URL
 
 					// check the result after sending the captcha
 					req = httptest.NewRequest(http.MethodPost, "/?session=1337", nil)
 					req.Form = url.Values{}
-					req.Form.Add(base.Cfg.ClientAPI.RecaptchaFormField, "someRandomValue")
+					req.Form.Add(cfg.ClientAPI.RecaptchaFormField, "someRandomValue")
 					rec = httptest.NewRecorder()
-					AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &base.Cfg.ClientAPI)
+					AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &cfg.ClientAPI)
 					if recaptchaEnabled {
 						if !wantErr {
 							if rec.Code != http.StatusOK {
@@ -105,7 +103,7 @@ func Test_AuthFallback(t *testing.T) {
 	t.Run("unknown fallbacks are handled correctly", func(t *testing.T) {
 		req := httptest.NewRequest(http.MethodPost, "/?session=1337", nil)
 		rec := httptest.NewRecorder()
-		AuthFallback(rec, req, "DoesNotExist", &base.Cfg.ClientAPI)
+		AuthFallback(rec, req, "DoesNotExist", &cfg.ClientAPI)
 		if rec.Code != http.StatusNotImplemented {
 			t.Fatalf("unexpected http status: %d, want %d", rec.Code, http.StatusNotImplemented)
 		}
@@ -114,7 +112,7 @@ func Test_AuthFallback(t *testing.T) {
 	t.Run("unknown methods are handled correctly", func(t *testing.T) {
 		req := httptest.NewRequest(http.MethodDelete, "/?session=1337", nil)
 		rec := httptest.NewRecorder()
-		AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &base.Cfg.ClientAPI)
+		AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &cfg.ClientAPI)
 		if rec.Code != http.StatusMethodNotAllowed {
 			t.Fatalf("unexpected http status: %d, want %d", rec.Code, http.StatusMethodNotAllowed)
 		}
@@ -123,7 +121,7 @@ func Test_AuthFallback(t *testing.T) {
 	t.Run("missing session parameter is handled correctly", func(t *testing.T) {
 		req := httptest.NewRequest(http.MethodGet, "/", nil)
 		rec := httptest.NewRecorder()
-		AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &base.Cfg.ClientAPI)
+		AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &cfg.ClientAPI)
 		if rec.Code != http.StatusBadRequest {
 			t.Fatalf("unexpected http status: %d, want %d", rec.Code, http.StatusBadRequest)
 		}
@@ -132,7 +130,7 @@ func Test_AuthFallback(t *testing.T) {
 	t.Run("missing session parameter is handled correctly", func(t *testing.T) {
 		req := httptest.NewRequest(http.MethodGet, "/", nil)
 		rec := httptest.NewRecorder()
-		AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &base.Cfg.ClientAPI)
+		AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &cfg.ClientAPI)
 		if rec.Code != http.StatusBadRequest {
 			t.Fatalf("unexpected http status: %d, want %d", rec.Code, http.StatusBadRequest)
 		}
@@ -141,7 +139,7 @@ func Test_AuthFallback(t *testing.T) {
 	t.Run("missing 'response' is handled correctly", func(t *testing.T) {
 		req := httptest.NewRequest(http.MethodPost, "/?session=1337", nil)
 		rec := httptest.NewRecorder()
-		AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &base.Cfg.ClientAPI)
+		AuthFallback(rec, req, authtypes.LoginTypeRecaptcha, &cfg.ClientAPI)
 		if rec.Code != http.StatusBadRequest {
 			t.Fatalf("unexpected http status: %d, want %d", rec.Code, http.StatusBadRequest)
 		}
diff --git a/clientapi/routing/joinroom_test.go b/clientapi/routing/joinroom_test.go
index de8f9538..fd58ff5d 100644
--- a/clientapi/routing/joinroom_test.go
+++ b/clientapi/routing/joinroom_test.go
@@ -8,6 +8,8 @@ import (
 	"time"
 
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/gomatrixserverlib"
 
 	"github.com/matrix-org/dendrite/appservice"
@@ -25,13 +27,15 @@ func TestJoinRoomByIDOrAlias(t *testing.T) {
 
 	ctx := context.Background()
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, baseClose := testrig.CreateBaseDendrite(t, dbType)
-		defer baseClose()
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		defer close()
 
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
-		userAPI := userapi.NewInternalAPI(base, rsAPI, nil)
-		asAPI := appservice.NewInternalAPI(base, userAPI, rsAPI)
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		natsInstance := jetstream.NATSInstance{}
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
+		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, nil)
+		asAPI := appservice.NewInternalAPI(processCtx, cfg, &natsInstance, userAPI, rsAPI)
 		rsAPI.SetFederationAPI(nil, nil) // creates the rs.Inputer etc
 
 		// Create the users in the userapi
@@ -63,7 +67,7 @@ func TestJoinRoomByIDOrAlias(t *testing.T) {
 			RoomAliasName: "alias",
 			Invite:        []string{bob.ID},
 			GuestCanJoin:  false,
-		}, aliceDev, &base.Cfg.ClientAPI, userAPI, rsAPI, asAPI, time.Now())
+		}, aliceDev, &cfg.ClientAPI, userAPI, rsAPI, asAPI, time.Now())
 		crResp, ok := resp.JSON.(createRoomResponse)
 		if !ok {
 			t.Fatalf("response is not a createRoomResponse: %+v", resp)
@@ -78,7 +82,7 @@ func TestJoinRoomByIDOrAlias(t *testing.T) {
 			Preset:       presetPublicChat,
 			Invite:       []string{charlie.ID},
 			GuestCanJoin: true,
-		}, aliceDev, &base.Cfg.ClientAPI, userAPI, rsAPI, asAPI, time.Now())
+		}, aliceDev, &cfg.ClientAPI, userAPI, rsAPI, asAPI, time.Now())
 		crRespWithGuestAccess, ok := resp.JSON.(createRoomResponse)
 		if !ok {
 			t.Fatalf("response is not a createRoomResponse: %+v", resp)
diff --git a/clientapi/routing/login_test.go b/clientapi/routing/login_test.go
index fd3d8cba..b2773076 100644
--- a/clientapi/routing/login_test.go
+++ b/clientapi/routing/login_test.go
@@ -7,11 +7,15 @@ import (
 	"net/http/httptest"
 	"strings"
 	"testing"
+	"time"
 
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/roomserver"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
 
@@ -29,21 +33,24 @@ func TestLogin(t *testing.T) {
 
 	ctx := context.Background()
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, baseClose := testrig.CreateBaseDendrite(t, dbType)
-		defer baseClose()
-		base.Cfg.ClientAPI.RateLimiting.Enabled = false
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		defer close()
+		cfg.ClientAPI.RateLimiting.Enabled = false
+		natsInstance := jetstream.NATSInstance{}
 		// add a vhost
-		base.Cfg.Global.VirtualHosts = append(base.Cfg.Global.VirtualHosts, &config.VirtualHost{
+		cfg.Global.VirtualHosts = append(cfg.Global.VirtualHosts, &config.VirtualHost{
 			SigningIdentity: gomatrixserverlib.SigningIdentity{ServerName: "vh1"},
 		})
 
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		routers := httputil.NewRouters()
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
 		// Needed for /login
-		userAPI := userapi.NewInternalAPI(base, rsAPI, nil)
+		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, nil)
 
 		// We mostly need the userAPI for this test, so nil for other APIs/caches etc.
-		Setup(base, &base.Cfg.ClientAPI, nil, nil, userAPI, nil, nil, nil, nil, nil, nil, &base.Cfg.MSCs, nil)
+		Setup(routers, cfg, nil, nil, userAPI, nil, nil, nil, nil, nil, nil, nil, caching.DisableMetrics)
 
 		// Create password
 		password := util.RandomString(8)
@@ -116,7 +123,7 @@ func TestLogin(t *testing.T) {
 					"password": password,
 				}))
 				rec := httptest.NewRecorder()
-				base.Routers.Client.ServeHTTP(rec, req)
+				routers.Client.ServeHTTP(rec, req)
 				if tc.wantOK && rec.Code != http.StatusOK {
 					t.Fatalf("failed to login: %s", rec.Body.String())
 				}
diff --git a/clientapi/routing/register_test.go b/clientapi/routing/register_test.go
index c06b0ae1..46cd8b2b 100644
--- a/clientapi/routing/register_test.go
+++ b/clientapi/routing/register_test.go
@@ -31,8 +31,10 @@ import (
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/roomserver"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/test/testrig"
 	"github.com/matrix-org/dendrite/userapi"
@@ -405,12 +407,15 @@ func Test_register(t *testing.T) {
 	}
 
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, baseClose := testrig.CreateBaseDendrite(t, dbType)
-		defer baseClose()
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		defer close()
 
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
-		userAPI := userapi.NewInternalAPI(base, rsAPI, nil)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		natsInstance := jetstream.NATSInstance{}
+
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
+		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, nil)
 
 		for _, tc := range testCases {
 			t.Run(tc.name, func(t *testing.T) {
@@ -432,16 +437,16 @@ func Test_register(t *testing.T) {
 						}
 					}))
 					defer srv.Close()
-					base.Cfg.ClientAPI.RecaptchaSiteVerifyAPI = srv.URL
+					cfg.ClientAPI.RecaptchaSiteVerifyAPI = srv.URL
 				}
 
-				if err := base.Cfg.Derive(); err != nil {
+				if err := cfg.Derive(); err != nil {
 					t.Fatalf("failed to derive config: %s", err)
 				}
 
-				base.Cfg.ClientAPI.RecaptchaEnabled = tc.enableRecaptcha
-				base.Cfg.ClientAPI.RegistrationDisabled = tc.registrationDisabled
-				base.Cfg.ClientAPI.GuestsDisabled = tc.guestsDisabled
+				cfg.ClientAPI.RecaptchaEnabled = tc.enableRecaptcha
+				cfg.ClientAPI.RegistrationDisabled = tc.registrationDisabled
+				cfg.ClientAPI.GuestsDisabled = tc.guestsDisabled
 
 				if tc.kind == "" {
 					tc.kind = "user"
@@ -469,15 +474,15 @@ func Test_register(t *testing.T) {
 
 				req := httptest.NewRequest(http.MethodPost, fmt.Sprintf("/?kind=%s", tc.kind), body)
 
-				resp := Register(req, userAPI, &base.Cfg.ClientAPI)
+				resp := Register(req, userAPI, &cfg.ClientAPI)
 				t.Logf("Resp: %+v", resp)
 
 				// The first request should return a userInteractiveResponse
 				switch r := resp.JSON.(type) {
 				case userInteractiveResponse:
 					// Check that the flows are the ones we configured
-					if !reflect.DeepEqual(r.Flows, base.Cfg.Derived.Registration.Flows) {
-						t.Fatalf("unexpected registration flows: %+v, want %+v", r.Flows, base.Cfg.Derived.Registration.Flows)
+					if !reflect.DeepEqual(r.Flows, cfg.Derived.Registration.Flows) {
+						t.Fatalf("unexpected registration flows: %+v, want %+v", r.Flows, cfg.Derived.Registration.Flows)
 					}
 				case *jsonerror.MatrixError:
 					if !reflect.DeepEqual(tc.wantResponse, resp) {
@@ -533,7 +538,7 @@ func Test_register(t *testing.T) {
 
 				req = httptest.NewRequest(http.MethodPost, "/", body)
 
-				resp = Register(req, userAPI, &base.Cfg.ClientAPI)
+				resp = Register(req, userAPI, &cfg.ClientAPI)
 
 				switch resp.JSON.(type) {
 				case *jsonerror.MatrixError:
@@ -576,17 +581,19 @@ func Test_register(t *testing.T) {
 
 func TestRegisterUserWithDisplayName(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, baseClose := testrig.CreateBaseDendrite(t, dbType)
-		defer baseClose()
-		base.Cfg.Global.ServerName = "server"
-
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
-		userAPI := userapi.NewInternalAPI(base, rsAPI, nil)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		defer close()
+		cfg.Global.ServerName = "server"
+
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		natsInstance := jetstream.NATSInstance{}
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
+		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, nil)
 		deviceName, deviceID := "deviceName", "deviceID"
 		expectedDisplayName := "DisplayName"
 		response := completeRegistration(
-			base.Context(),
+			processCtx.Context(),
 			userAPI,
 			"user",
 			"server",
@@ -606,7 +613,7 @@ func TestRegisterUserWithDisplayName(t *testing.T) {
 
 		req := api.QueryProfileRequest{UserID: "@user:server"}
 		var res api.QueryProfileResponse
-		err := userAPI.QueryProfile(base.Context(), &req, &res)
+		err := userAPI.QueryProfile(processCtx.Context(), &req, &res)
 		assert.NoError(t, err)
 		assert.Equal(t, expectedDisplayName, res.DisplayName)
 	})
@@ -614,14 +621,17 @@ func TestRegisterUserWithDisplayName(t *testing.T) {
 
 func TestRegisterAdminUsingSharedSecret(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, baseClose := testrig.CreateBaseDendrite(t, dbType)
-		defer baseClose()
-		base.Cfg.Global.ServerName = "server"
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		defer close()
+		natsInstance := jetstream.NATSInstance{}
+		cfg.Global.ServerName = "server"
 		sharedSecret := "dendritetest"
-		base.Cfg.ClientAPI.RegistrationSharedSecret = sharedSecret
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
-		userAPI := userapi.NewInternalAPI(base, rsAPI, nil)
+		cfg.ClientAPI.RegistrationSharedSecret = sharedSecret
+
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
+		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, nil)
 
 		expectedDisplayName := "rabbit"
 		jsonStr := []byte(`{"admin":true,"mac":"24dca3bba410e43fe64b9b5c28306693bf3baa9f","nonce":"759f047f312b99ff428b21d581256f8592b8976e58bc1b543972dc6147e529a79657605b52d7becd160ff5137f3de11975684319187e06901955f79e5a6c5a79","password":"wonderland","username":"alice","displayname":"rabbit"}`)
@@ -645,7 +655,7 @@ func TestRegisterAdminUsingSharedSecret(t *testing.T) {
 		ssrr := httptest.NewRequest(http.MethodPost, "/", body)
 
 		response := handleSharedSecretRegistration(
-			&base.Cfg.ClientAPI,
+			&cfg.ClientAPI,
 			userAPI,
 			r,
 			ssrr,
@@ -654,7 +664,7 @@ func TestRegisterAdminUsingSharedSecret(t *testing.T) {
 
 		profilReq := api.QueryProfileRequest{UserID: "@alice:server"}
 		var profileRes api.QueryProfileResponse
-		err = userAPI.QueryProfile(base.Context(), &profilReq, &profileRes)
+		err = userAPI.QueryProfile(processCtx.Context(), &profilReq, &profileRes)
 		assert.NoError(t, err)
 		assert.Equal(t, expectedDisplayName, profileRes.DisplayName)
 	})
diff --git a/clientapi/routing/routing.go b/clientapi/routing/routing.go
index 4ef2ac92..6a86980d 100644
--- a/clientapi/routing/routing.go
+++ b/clientapi/routing/routing.go
@@ -21,7 +21,6 @@ import (
 	"sync"
 
 	"github.com/gorilla/mux"
-	"github.com/matrix-org/dendrite/setup/base"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
@@ -50,8 +49,8 @@ import (
 // applied:
 // nolint: gocyclo
 func Setup(
-	base *base.BaseDendrite,
-	cfg *config.ClientAPI,
+	routers httputil.Routers,
+	dendriteCfg *config.Dendrite,
 	rsAPI roomserverAPI.ClientRoomserverAPI,
 	asAPI appserviceAPI.AppServiceInternalAPI,
 	userAPI userapi.ClientUserAPI,
@@ -61,14 +60,16 @@ func Setup(
 	transactionsCache *transactions.Cache,
 	federationSender federationAPI.ClientFederationAPI,
 	extRoomsProvider api.ExtraPublicRoomsProvider,
-	mscCfg *config.MSCs, natsClient *nats.Conn,
+	natsClient *nats.Conn, enableMetrics bool,
 ) {
-	publicAPIMux := base.Routers.Client
-	wkMux := base.Routers.WellKnown
-	synapseAdminRouter := base.Routers.SynapseAdmin
-	dendriteAdminRouter := base.Routers.DendriteAdmin
-
-	if base.EnableMetrics {
+	cfg := &dendriteCfg.ClientAPI
+	mscCfg := &dendriteCfg.MSCs
+	publicAPIMux := routers.Client
+	wkMux := routers.WellKnown
+	synapseAdminRouter := routers.SynapseAdmin
+	dendriteAdminRouter := routers.DendriteAdmin
+
+	if enableMetrics {
 		prometheus.MustRegister(amtRegUsers, sendEventDuration)
 	}
 
@@ -656,7 +657,7 @@ func Setup(
 	).Methods(http.MethodGet, http.MethodPost, http.MethodOptions)
 
 	v3mux.Handle("/auth/{authType}/fallback/web",
-		httputil.MakeHTMLAPI("auth_fallback", base.EnableMetrics, func(w http.ResponseWriter, req *http.Request) {
+		httputil.MakeHTMLAPI("auth_fallback", enableMetrics, func(w http.ResponseWriter, req *http.Request) {
 			vars := mux.Vars(req)
 			AuthFallback(w, req, vars["authType"], cfg)
 		}),
diff --git a/cmd/dendrite-demo-pinecone/conn/client.go b/cmd/dendrite-demo-pinecone/conn/client.go
index a91434f6..885de005 100644
--- a/cmd/dendrite-demo-pinecone/conn/client.go
+++ b/cmd/dendrite-demo-pinecone/conn/client.go
@@ -21,7 +21,7 @@ import (
 	"net/http"
 	"strings"
 
-	"github.com/matrix-org/dendrite/setup/base"
+	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/gomatrixserverlib"
 	"nhooyr.io/websocket"
 
@@ -90,7 +90,7 @@ func createTransport(s *pineconeSessions.Sessions) *http.Transport {
 }
 
 func CreateClient(
-	base *base.BaseDendrite, s *pineconeSessions.Sessions,
+	s *pineconeSessions.Sessions,
 ) *gomatrixserverlib.Client {
 	return gomatrixserverlib.NewClient(
 		gomatrixserverlib.WithTransport(createTransport(s)),
@@ -98,10 +98,10 @@ func CreateClient(
 }
 
 func CreateFederationClient(
-	base *base.BaseDendrite, s *pineconeSessions.Sessions,
+	cfg *config.Dendrite, s *pineconeSessions.Sessions,
 ) *gomatrixserverlib.FederationClient {
 	return gomatrixserverlib.NewFederationClient(
-		base.Cfg.Global.SigningIdentities(),
+		cfg.Global.SigningIdentities(),
 		gomatrixserverlib.WithTransport(createTransport(s)),
 	)
 }
diff --git a/cmd/dendrite-demo-pinecone/main.go b/cmd/dendrite-demo-pinecone/main.go
index 7706a73f..7c710cbb 100644
--- a/cmd/dendrite-demo-pinecone/main.go
+++ b/cmd/dendrite-demo-pinecone/main.go
@@ -27,8 +27,11 @@ import (
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-pinecone/monolith"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/signing"
 	"github.com/matrix-org/dendrite/internal"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/setup"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/sirupsen/logrus"
 
@@ -87,9 +90,13 @@ func main() {
 		}
 	}
 
+	processCtx := process.NewProcessContext()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	routers := httputil.NewRouters()
+
 	enableMetrics := true
 	enableWebsockets := true
-	p2pMonolith.SetupDendrite(cfg, *instancePort, *instanceRelayingEnabled, enableMetrics, enableWebsockets)
+	p2pMonolith.SetupDendrite(processCtx, cfg, cm, routers, *instancePort, *instanceRelayingEnabled, enableMetrics, enableWebsockets)
 	p2pMonolith.StartMonolith()
 	p2pMonolith.WaitForShutdown()
 
diff --git a/cmd/dendrite-demo-pinecone/monolith/monolith.go b/cmd/dendrite-demo-pinecone/monolith/monolith.go
index 5781d657..10a3493e 100644
--- a/cmd/dendrite-demo-pinecone/monolith/monolith.go
+++ b/cmd/dendrite-demo-pinecone/monolith/monolith.go
@@ -23,6 +23,7 @@ import (
 	"net"
 	"net/http"
 	"path/filepath"
+	"sync"
 	"time"
 
 	"github.com/gorilla/mux"
@@ -39,6 +40,7 @@ import (
 	"github.com/matrix-org/dendrite/federationapi/producers"
 	"github.com/matrix-org/dendrite/internal/caching"
 	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/relayapi"
 	relayAPI "github.com/matrix-org/dendrite/relayapi/api"
 	"github.com/matrix-org/dendrite/roomserver"
@@ -46,6 +48,7 @@ import (
 	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/dendrite/userapi"
 	userAPI "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -61,13 +64,13 @@ import (
 const SessionProtocol = "matrix"
 
 type P2PMonolith struct {
-	BaseDendrite   *base.BaseDendrite
 	Sessions       *pineconeSessions.Sessions
 	Multicast      *pineconeMulticast.Multicast
 	ConnManager    *pineconeConnections.ConnectionManager
 	Router         *pineconeRouter.Router
 	EventChannel   chan pineconeEvents.Event
 	RelayRetriever relay.RelayServerRetriever
+	ProcessCtx     *process.ProcessContext
 
 	dendrite           setup.Monolith
 	port               int
@@ -77,6 +80,7 @@ type P2PMonolith struct {
 	listener           net.Listener
 	httpListenAddr     string
 	stopHandlingEvents chan bool
+	httpServerMu       sync.Mutex
 }
 
 func GenerateDefaultConfig(sk ed25519.PrivateKey, storageDir string, cacheDir string, dbPrefix string) *config.Dendrite {
@@ -121,53 +125,52 @@ func (p *P2PMonolith) SetupPinecone(sk ed25519.PrivateKey) {
 	p.ConnManager = pineconeConnections.NewConnectionManager(p.Router, nil)
 }
 
-func (p *P2PMonolith) SetupDendrite(cfg *config.Dendrite, port int, enableRelaying bool, enableMetrics bool, enableWebsockets bool) {
-	if enableMetrics {
-		p.BaseDendrite = base.NewBaseDendrite(cfg)
-	} else {
-		p.BaseDendrite = base.NewBaseDendrite(cfg, base.DisableMetrics)
-	}
+func (p *P2PMonolith) SetupDendrite(
+	processCtx *process.ProcessContext, cfg *config.Dendrite, cm sqlutil.Connections, routers httputil.Routers,
+	port int, enableRelaying bool, enableMetrics bool, enableWebsockets bool) {
+
 	p.port = port
-	p.BaseDendrite.ConfigureAdminEndpoints()
+	base.ConfigureAdminEndpoints(processCtx, routers)
 
-	federation := conn.CreateFederationClient(p.BaseDendrite, p.Sessions)
+	federation := conn.CreateFederationClient(cfg, p.Sessions)
 
 	serverKeyAPI := &signing.YggdrasilKeys{}
 	keyRing := serverKeyAPI.KeyRing()
 
 	caches := caching.NewRistrettoCache(cfg.Global.Cache.EstimatedMaxSize, cfg.Global.Cache.MaxAge, enableMetrics)
-	rsAPI := roomserver.NewInternalAPI(p.BaseDendrite, caches)
+	natsInstance := jetstream.NATSInstance{}
+	rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, enableMetrics)
 	fsAPI := federationapi.NewInternalAPI(
-		p.BaseDendrite, federation, rsAPI, caches, keyRing, true,
+		processCtx, cfg, cm, &natsInstance, federation, rsAPI, caches, keyRing, true,
 	)
 
-	userAPI := userapi.NewInternalAPI(p.BaseDendrite, rsAPI, federation)
+	userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, federation)
 
-	asAPI := appservice.NewInternalAPI(p.BaseDendrite, userAPI, rsAPI)
+	asAPI := appservice.NewInternalAPI(processCtx, cfg, &natsInstance, userAPI, rsAPI)
 
 	rsAPI.SetFederationAPI(fsAPI, keyRing)
 
 	userProvider := users.NewPineconeUserProvider(p.Router, p.Sessions, userAPI, federation)
 	roomProvider := rooms.NewPineconeRoomProvider(p.Router, p.Sessions, fsAPI, federation)
 
-	js, _ := p.BaseDendrite.NATS.Prepare(p.BaseDendrite.ProcessContext, &p.BaseDendrite.Cfg.Global.JetStream)
+	js, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
 	producer := &producers.SyncAPIProducer{
 		JetStream:              js,
-		TopicReceiptEvent:      p.BaseDendrite.Cfg.Global.JetStream.Prefixed(jetstream.OutputReceiptEvent),
-		TopicSendToDeviceEvent: p.BaseDendrite.Cfg.Global.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
-		TopicTypingEvent:       p.BaseDendrite.Cfg.Global.JetStream.Prefixed(jetstream.OutputTypingEvent),
-		TopicPresenceEvent:     p.BaseDendrite.Cfg.Global.JetStream.Prefixed(jetstream.OutputPresenceEvent),
-		TopicDeviceListUpdate:  p.BaseDendrite.Cfg.Global.JetStream.Prefixed(jetstream.InputDeviceListUpdate),
-		TopicSigningKeyUpdate:  p.BaseDendrite.Cfg.Global.JetStream.Prefixed(jetstream.InputSigningKeyUpdate),
-		Config:                 &p.BaseDendrite.Cfg.FederationAPI,
+		TopicReceiptEvent:      cfg.Global.JetStream.Prefixed(jetstream.OutputReceiptEvent),
+		TopicSendToDeviceEvent: cfg.Global.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
+		TopicTypingEvent:       cfg.Global.JetStream.Prefixed(jetstream.OutputTypingEvent),
+		TopicPresenceEvent:     cfg.Global.JetStream.Prefixed(jetstream.OutputPresenceEvent),
+		TopicDeviceListUpdate:  cfg.Global.JetStream.Prefixed(jetstream.InputDeviceListUpdate),
+		TopicSigningKeyUpdate:  cfg.Global.JetStream.Prefixed(jetstream.InputSigningKeyUpdate),
+		Config:                 &cfg.FederationAPI,
 		UserAPI:                userAPI,
 	}
-	relayAPI := relayapi.NewRelayInternalAPI(p.BaseDendrite, federation, rsAPI, keyRing, producer, enableRelaying, caches)
+	relayAPI := relayapi.NewRelayInternalAPI(cfg, cm, federation, rsAPI, keyRing, producer, enableRelaying, caches)
 	logrus.Infof("Relaying enabled: %v", relayAPI.RelayingEnabled())
 
 	p.dendrite = setup.Monolith{
-		Config:    p.BaseDendrite.Cfg,
-		Client:    conn.CreateClient(p.BaseDendrite, p.Sessions),
+		Config:    cfg,
+		Client:    conn.CreateClient(p.Sessions),
 		FedClient: federation,
 		KeyRing:   keyRing,
 
@@ -179,9 +182,10 @@ func (p *P2PMonolith) SetupDendrite(cfg *config.Dendrite, port int, enableRelayi
 		ExtPublicRoomsProvider:   roomProvider,
 		ExtUserDirectoryProvider: userProvider,
 	}
-	p.dendrite.AddAllPublicRoutes(p.BaseDendrite, caches)
+	p.ProcessCtx = processCtx
+	p.dendrite.AddAllPublicRoutes(processCtx, cfg, routers, cm, &natsInstance, caches, enableMetrics)
 
-	p.setupHttpServers(userProvider, enableWebsockets)
+	p.setupHttpServers(userProvider, routers, enableWebsockets)
 }
 
 func (p *P2PMonolith) GetFederationAPI() federationAPI.FederationInternalAPI {
@@ -203,20 +207,22 @@ func (p *P2PMonolith) StartMonolith() {
 
 func (p *P2PMonolith) Stop() {
 	logrus.Info("Stopping monolith")
-	_ = p.BaseDendrite.Close()
+	p.ProcessCtx.ShutdownDendrite()
 	p.WaitForShutdown()
 	logrus.Info("Stopped monolith")
 }
 
 func (p *P2PMonolith) WaitForShutdown() {
-	p.BaseDendrite.WaitForShutdown()
+	p.ProcessCtx.WaitForShutdown()
 	p.closeAllResources()
 }
 
 func (p *P2PMonolith) closeAllResources() {
 	logrus.Info("Closing monolith resources")
+	p.httpServerMu.Lock()
 	if p.httpServer != nil {
 		_ = p.httpServer.Shutdown(context.Background())
+		p.httpServerMu.Unlock()
 	}
 
 	select {
@@ -246,12 +252,12 @@ func (p *P2PMonolith) Addr() string {
 	return p.httpListenAddr
 }
 
-func (p *P2PMonolith) setupHttpServers(userProvider *users.PineconeUserProvider, enableWebsockets bool) {
+func (p *P2PMonolith) setupHttpServers(userProvider *users.PineconeUserProvider, routers httputil.Routers, enableWebsockets bool) {
 	p.httpMux = mux.NewRouter().SkipClean(true).UseEncodedPath()
-	p.httpMux.PathPrefix(httputil.PublicClientPathPrefix).Handler(p.BaseDendrite.Routers.Client)
-	p.httpMux.PathPrefix(httputil.PublicMediaPathPrefix).Handler(p.BaseDendrite.Routers.Media)
-	p.httpMux.PathPrefix(httputil.DendriteAdminPathPrefix).Handler(p.BaseDendrite.Routers.DendriteAdmin)
-	p.httpMux.PathPrefix(httputil.SynapseAdminPathPrefix).Handler(p.BaseDendrite.Routers.SynapseAdmin)
+	p.httpMux.PathPrefix(httputil.PublicClientPathPrefix).Handler(routers.Client)
+	p.httpMux.PathPrefix(httputil.PublicMediaPathPrefix).Handler(routers.Media)
+	p.httpMux.PathPrefix(httputil.DendriteAdminPathPrefix).Handler(routers.DendriteAdmin)
+	p.httpMux.PathPrefix(httputil.SynapseAdminPathPrefix).Handler(routers.SynapseAdmin)
 
 	if enableWebsockets {
 		wsUpgrader := websocket.Upgrader{
@@ -284,8 +290,8 @@ func (p *P2PMonolith) setupHttpServers(userProvider *users.PineconeUserProvider,
 
 	p.pineconeMux = mux.NewRouter().SkipClean(true).UseEncodedPath()
 	p.pineconeMux.PathPrefix(users.PublicURL).HandlerFunc(userProvider.FederatedUserProfiles)
-	p.pineconeMux.PathPrefix(httputil.PublicFederationPathPrefix).Handler(p.BaseDendrite.Routers.Federation)
-	p.pineconeMux.PathPrefix(httputil.PublicMediaPathPrefix).Handler(p.BaseDendrite.Routers.Media)
+	p.pineconeMux.PathPrefix(httputil.PublicFederationPathPrefix).Handler(routers.Federation)
+	p.pineconeMux.PathPrefix(httputil.PublicMediaPathPrefix).Handler(routers.Media)
 
 	pHTTP := p.Sessions.Protocol(SessionProtocol).HTTP()
 	pHTTP.Mux().Handle(users.PublicURL, p.pineconeMux)
@@ -295,6 +301,7 @@ func (p *P2PMonolith) setupHttpServers(userProvider *users.PineconeUserProvider,
 
 func (p *P2PMonolith) startHTTPServers() {
 	go func() {
+		p.httpServerMu.Lock()
 		// Build both ends of a HTTP multiplex.
 		p.httpServer = &http.Server{
 			Addr:         ":0",
@@ -307,7 +314,7 @@ func (p *P2PMonolith) startHTTPServers() {
 			},
 			Handler: p.pineconeMux,
 		}
-
+		p.httpServerMu.Unlock()
 		pubkey := p.Router.PublicKey()
 		pubkeyString := hex.EncodeToString(pubkey[:])
 		logrus.Info("Listening on ", pubkeyString)
@@ -369,7 +376,7 @@ func (p *P2PMonolith) startEventHandler() {
 						ServerNames: []gomatrixserverlib.ServerName{gomatrixserverlib.ServerName(e.PeerID)},
 					}
 					res := &federationAPI.PerformWakeupServersResponse{}
-					if err := p.dendrite.FederationAPI.PerformWakeupServers(p.BaseDendrite.Context(), req, res); err != nil {
+					if err := p.dendrite.FederationAPI.PerformWakeupServers(p.ProcessCtx.Context(), req, res); err != nil {
 						eLog.WithError(err).Error("Failed to wakeup destination", e.PeerID)
 					}
 				}
diff --git a/cmd/dendrite-demo-yggdrasil/main.go b/cmd/dendrite-demo-yggdrasil/main.go
index 62184719..9a195990 100644
--- a/cmd/dendrite-demo-yggdrasil/main.go
+++ b/cmd/dendrite-demo-yggdrasil/main.go
@@ -27,7 +27,11 @@ import (
 	"path/filepath"
 	"time"
 
+	"github.com/getsentry/sentry-go"
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/gomatrixserverlib"
 
 	"github.com/gorilla/mux"
@@ -42,7 +46,7 @@ import (
 	"github.com/matrix-org/dendrite/internal/httputil"
 	"github.com/matrix-org/dendrite/roomserver"
 	"github.com/matrix-org/dendrite/setup"
-	"github.com/matrix-org/dendrite/setup/base"
+	basepkg "github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/setup/mscs"
 	"github.com/matrix-org/dendrite/test"
@@ -58,6 +62,7 @@ var (
 	instanceDir    = flag.String("dir", ".", "the directory to store the databases in (if --config not specified)")
 )
 
+// nolint: gocyclo
 func main() {
 	flag.Parse()
 	internal.SetupPprof()
@@ -143,36 +148,83 @@ func main() {
 	cfg.Global.ServerName = gomatrixserverlib.ServerName(hex.EncodeToString(pk))
 	cfg.Global.KeyID = gomatrixserverlib.KeyID(signing.KeyID)
 
-	base := base.NewBaseDendrite(cfg)
-	base.ConfigureAdminEndpoints()
-	defer base.Close() // nolint: errcheck
+	configErrors := &config.ConfigErrors{}
+	cfg.Verify(configErrors)
+	if len(*configErrors) > 0 {
+		for _, err := range *configErrors {
+			logrus.Errorf("Configuration error: %s", err)
+		}
+		logrus.Fatalf("Failed to start due to configuration errors")
+	}
+
+	internal.SetupStdLogging()
+	internal.SetupHookLogging(cfg.Logging)
+	internal.SetupPprof()
+
+	logrus.Infof("Dendrite version %s", internal.VersionString())
+
+	if !cfg.ClientAPI.RegistrationDisabled && cfg.ClientAPI.OpenRegistrationWithoutVerificationEnabled {
+		logrus.Warn("Open registration is enabled")
+	}
+
+	closer, err := cfg.SetupTracing()
+	if err != nil {
+		logrus.WithError(err).Panicf("failed to start opentracing")
+	}
+	defer closer.Close() // nolint: errcheck
+
+	if cfg.Global.Sentry.Enabled {
+		logrus.Info("Setting up Sentry for debugging...")
+		err = sentry.Init(sentry.ClientOptions{
+			Dsn:              cfg.Global.Sentry.DSN,
+			Environment:      cfg.Global.Sentry.Environment,
+			Debug:            true,
+			ServerName:       string(cfg.Global.ServerName),
+			Release:          "dendrite@" + internal.VersionString(),
+			AttachStacktrace: true,
+		})
+		if err != nil {
+			logrus.WithError(err).Panic("failed to start Sentry")
+		}
+	}
+
+	processCtx := process.NewProcessContext()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	routers := httputil.NewRouters()
+
+	basepkg.ConfigureAdminEndpoints(processCtx, routers)
+	defer func() {
+		processCtx.ShutdownDendrite()
+		processCtx.WaitForShutdown()
+	}() // nolint: errcheck
 
 	ygg, err := yggconn.Setup(sk, *instanceName, ".", *instancePeer, *instanceListen)
 	if err != nil {
 		panic(err)
 	}
 
-	federation := ygg.CreateFederationClient(base)
+	federation := ygg.CreateFederationClient(cfg)
 
 	serverKeyAPI := &signing.YggdrasilKeys{}
 	keyRing := serverKeyAPI.KeyRing()
 
-	caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.EnableMetrics)
-	rsAPI := roomserver.NewInternalAPI(base, caches)
+	caches := caching.NewRistrettoCache(cfg.Global.Cache.EstimatedMaxSize, cfg.Global.Cache.MaxAge, caching.EnableMetrics)
+	natsInstance := jetstream.NATSInstance{}
+	rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.EnableMetrics)
 
-	userAPI := userapi.NewInternalAPI(base, rsAPI, federation)
+	userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, federation)
 
-	asAPI := appservice.NewInternalAPI(base, userAPI, rsAPI)
+	asAPI := appservice.NewInternalAPI(processCtx, cfg, &natsInstance, userAPI, rsAPI)
 	rsAPI.SetAppserviceAPI(asAPI)
 	fsAPI := federationapi.NewInternalAPI(
-		base, federation, rsAPI, caches, keyRing, true,
+		processCtx, cfg, cm, &natsInstance, federation, rsAPI, caches, keyRing, true,
 	)
 
 	rsAPI.SetFederationAPI(fsAPI, keyRing)
 
 	monolith := setup.Monolith{
-		Config:    base.Cfg,
-		Client:    ygg.CreateClient(base),
+		Config:    cfg,
+		Client:    ygg.CreateClient(),
 		FedClient: federation,
 		KeyRing:   keyRing,
 
@@ -184,21 +236,21 @@ func main() {
 			ygg, fsAPI, federation,
 		),
 	}
-	monolith.AddAllPublicRoutes(base, caches)
-	if err := mscs.Enable(base, &monolith, caches); err != nil {
+	monolith.AddAllPublicRoutes(processCtx, cfg, routers, cm, &natsInstance, caches, caching.EnableMetrics)
+	if err := mscs.Enable(cfg, cm, routers, &monolith, caches); err != nil {
 		logrus.WithError(err).Fatalf("Failed to enable MSCs")
 	}
 
 	httpRouter := mux.NewRouter().SkipClean(true).UseEncodedPath()
-	httpRouter.PathPrefix(httputil.PublicClientPathPrefix).Handler(base.Routers.Client)
-	httpRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(base.Routers.Media)
-	httpRouter.PathPrefix(httputil.DendriteAdminPathPrefix).Handler(base.Routers.DendriteAdmin)
-	httpRouter.PathPrefix(httputil.SynapseAdminPathPrefix).Handler(base.Routers.SynapseAdmin)
+	httpRouter.PathPrefix(httputil.PublicClientPathPrefix).Handler(routers.Client)
+	httpRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(routers.Media)
+	httpRouter.PathPrefix(httputil.DendriteAdminPathPrefix).Handler(routers.DendriteAdmin)
+	httpRouter.PathPrefix(httputil.SynapseAdminPathPrefix).Handler(routers.SynapseAdmin)
 	embed.Embed(httpRouter, *instancePort, "Yggdrasil Demo")
 
 	yggRouter := mux.NewRouter().SkipClean(true).UseEncodedPath()
-	yggRouter.PathPrefix(httputil.PublicFederationPathPrefix).Handler(base.Routers.Federation)
-	yggRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(base.Routers.Media)
+	yggRouter.PathPrefix(httputil.PublicFederationPathPrefix).Handler(routers.Federation)
+	yggRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(routers.Media)
 
 	// Build both ends of a HTTP multiplex.
 	httpServer := &http.Server{
@@ -232,5 +284,5 @@ func main() {
 	}()
 
 	// We want to block forever to let the HTTP and HTTPS handler serve the APIs
-	base.WaitForShutdown()
+	basepkg.WaitForShutdown(processCtx)
 }
diff --git a/cmd/dendrite-demo-yggdrasil/yggconn/client.go b/cmd/dendrite-demo-yggdrasil/yggconn/client.go
index 41a9ec12..51365547 100644
--- a/cmd/dendrite-demo-yggdrasil/yggconn/client.go
+++ b/cmd/dendrite-demo-yggdrasil/yggconn/client.go
@@ -4,7 +4,7 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/matrix-org/dendrite/setup/base"
+	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/gomatrixserverlib"
 )
 
@@ -17,9 +17,7 @@ func (y *yggroundtripper) RoundTrip(req *http.Request) (*http.Response, error) {
 	return y.inner.RoundTrip(req)
 }
 
-func (n *Node) CreateClient(
-	base *base.BaseDendrite,
-) *gomatrixserverlib.Client {
+func (n *Node) CreateClient() *gomatrixserverlib.Client {
 	tr := &http.Transport{}
 	tr.RegisterProtocol(
 		"matrix", &yggroundtripper{
@@ -39,7 +37,7 @@ func (n *Node) CreateClient(
 }
 
 func (n *Node) CreateFederationClient(
-	base *base.BaseDendrite,
+	cfg *config.Dendrite,
 ) *gomatrixserverlib.FederationClient {
 	tr := &http.Transport{}
 	tr.RegisterProtocol(
@@ -55,7 +53,7 @@ func (n *Node) CreateFederationClient(
 		},
 	)
 	return gomatrixserverlib.NewFederationClient(
-		base.Cfg.Global.SigningIdentities(),
+		cfg.Global.SigningIdentities(),
 		gomatrixserverlib.WithTransport(tr),
 	)
 }
diff --git a/cmd/dendrite-upgrade-tests/main.go b/cmd/dendrite-upgrade-tests/main.go
index 174a80a3..6a0e2179 100644
--- a/cmd/dendrite-upgrade-tests/main.go
+++ b/cmd/dendrite-upgrade-tests/main.go
@@ -259,10 +259,20 @@ func buildDendrite(httpClient *http.Client, dockerClient *client.Client, tmpDir
 
 func getAndSortVersionsFromGithub(httpClient *http.Client) (semVers []*semver.Version, err error) {
 	u := "https://api.github.com/repos/matrix-org/dendrite/tags"
-	res, err := httpClient.Get(u)
-	if err != nil {
-		return nil, err
+
+	var res *http.Response
+	for i := 0; i < 3; i++ {
+		res, err = httpClient.Get(u)
+		if err != nil {
+			return nil, err
+		}
+		if res.StatusCode == 200 {
+			break
+		}
+		log.Printf("Github API returned HTTP %d, retrying\n", res.StatusCode)
+		time.Sleep(time.Second * 5)
 	}
+
 	if res.StatusCode != 200 {
 		return nil, fmt.Errorf("%s returned HTTP %d", u, res.StatusCode)
 	}
diff --git a/cmd/dendrite/main.go b/cmd/dendrite/main.go
index 29290eb9..a22677eb 100644
--- a/cmd/dendrite/main.go
+++ b/cmd/dendrite/main.go
@@ -16,8 +16,16 @@ package main
 
 import (
 	"flag"
+	"time"
 
+	"github.com/getsentry/sentry-go"
+	"github.com/matrix-org/dendrite/internal"
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/setup/process"
+	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/sirupsen/logrus"
 
 	"github.com/matrix-org/dendrite/appservice"
@@ -66,25 +74,90 @@ func main() {
 		httpAddr = socket
 	}
 
-	options := []basepkg.BaseDendriteOptions{}
+	configErrors := &config.ConfigErrors{}
+	cfg.Verify(configErrors)
+	if len(*configErrors) > 0 {
+		for _, err := range *configErrors {
+			logrus.Errorf("Configuration error: %s", err)
+		}
+		logrus.Fatalf("Failed to start due to configuration errors")
+	}
+	processCtx := process.NewProcessContext()
 
-	base := basepkg.NewBaseDendrite(cfg, options...)
-	defer base.Close() // nolint: errcheck
+	internal.SetupStdLogging()
+	internal.SetupHookLogging(cfg.Logging)
+	internal.SetupPprof()
 
-	federation := base.CreateFederationClient()
+	basepkg.PlatformSanityChecks()
+
+	logrus.Infof("Dendrite version %s", internal.VersionString())
+	if !cfg.ClientAPI.RegistrationDisabled && cfg.ClientAPI.OpenRegistrationWithoutVerificationEnabled {
+		logrus.Warn("Open registration is enabled")
+	}
 
-	caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.EnableMetrics)
+	// create DNS cache
+	var dnsCache *gomatrixserverlib.DNSCache
+	if cfg.Global.DNSCache.Enabled {
+		dnsCache = gomatrixserverlib.NewDNSCache(
+			cfg.Global.DNSCache.CacheSize,
+			cfg.Global.DNSCache.CacheLifetime,
+		)
+		logrus.Infof(
+			"DNS cache enabled (size %d, lifetime %s)",
+			cfg.Global.DNSCache.CacheSize,
+			cfg.Global.DNSCache.CacheLifetime,
+		)
+	}
 
-	rsAPI := roomserver.NewInternalAPI(base, caches)
+	// setup tracing
+	closer, err := cfg.SetupTracing()
+	if err != nil {
+		logrus.WithError(err).Panicf("failed to start opentracing")
+	}
+	defer closer.Close() // nolint: errcheck
+
+	// setup sentry
+	if cfg.Global.Sentry.Enabled {
+		logrus.Info("Setting up Sentry for debugging...")
+		err = sentry.Init(sentry.ClientOptions{
+			Dsn:              cfg.Global.Sentry.DSN,
+			Environment:      cfg.Global.Sentry.Environment,
+			Debug:            true,
+			ServerName:       string(cfg.Global.ServerName),
+			Release:          "dendrite@" + internal.VersionString(),
+			AttachStacktrace: true,
+		})
+		if err != nil {
+			logrus.WithError(err).Panic("failed to start Sentry")
+		}
+		go func() {
+			processCtx.ComponentStarted()
+			<-processCtx.WaitForShutdown()
+			if !sentry.Flush(time.Second * 5) {
+				logrus.Warnf("failed to flush all Sentry events!")
+			}
+			processCtx.ComponentFinished()
+		}()
+	}
+
+	federationClient := basepkg.CreateFederationClient(cfg, dnsCache)
+	httpClient := basepkg.CreateClient(cfg, dnsCache)
+
+	// prepare required dependencies
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	routers := httputil.NewRouters()
+
+	caches := caching.NewRistrettoCache(cfg.Global.Cache.EstimatedMaxSize, cfg.Global.Cache.MaxAge, caching.EnableMetrics)
+	natsInstance := jetstream.NATSInstance{}
+	rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.EnableMetrics)
 	fsAPI := federationapi.NewInternalAPI(
-		base, federation, rsAPI, caches, nil, false,
+		processCtx, cfg, cm, &natsInstance, federationClient, rsAPI, caches, nil, false,
 	)
 
 	keyRing := fsAPI.KeyRing()
 
-	userAPI := userapi.NewInternalAPI(base, rsAPI, federation)
-
-	asAPI := appservice.NewInternalAPI(base, userAPI, rsAPI)
+	userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, federationClient)
+	asAPI := appservice.NewInternalAPI(processCtx, cfg, &natsInstance, userAPI, rsAPI)
 
 	// The underlying roomserver implementation needs to be able to call the fedsender.
 	// This is different to rsAPI which can be the http client which doesn't need this
@@ -94,9 +167,9 @@ func main() {
 	rsAPI.SetUserAPI(userAPI)
 
 	monolith := setup.Monolith{
-		Config:    base.Cfg,
-		Client:    base.CreateClient(),
-		FedClient: federation,
+		Config:    cfg,
+		Client:    httpClient,
+		FedClient: federationClient,
 		KeyRing:   keyRing,
 
 		AppserviceAPI: asAPI,
@@ -106,25 +179,25 @@ func main() {
 		RoomserverAPI: rsAPI,
 		UserAPI:       userAPI,
 	}
-	monolith.AddAllPublicRoutes(base, caches)
+	monolith.AddAllPublicRoutes(processCtx, cfg, routers, cm, &natsInstance, caches, caching.EnableMetrics)
 
-	if len(base.Cfg.MSCs.MSCs) > 0 {
-		if err := mscs.Enable(base, &monolith, caches); err != nil {
+	if len(cfg.MSCs.MSCs) > 0 {
+		if err := mscs.Enable(cfg, cm, routers, &monolith, caches); err != nil {
 			logrus.WithError(err).Fatalf("Failed to enable MSCs")
 		}
 	}
 
 	// Expose the matrix APIs directly rather than putting them under a /api path.
 	go func() {
-		base.SetupAndServeHTTP(httpAddr, nil, nil)
+		basepkg.SetupAndServeHTTP(processCtx, cfg, routers, httpAddr, nil, nil)
 	}()
 	// Handle HTTPS if certificate and key are provided
 	if *unixSocket == "" && *certFile != "" && *keyFile != "" {
 		go func() {
-			base.SetupAndServeHTTP(httpsAddr, certFile, keyFile)
+			basepkg.SetupAndServeHTTP(processCtx, cfg, routers, httpsAddr, certFile, keyFile)
 		}()
 	}
 
 	// We want to block forever to let the HTTP and HTTPS handler serve the APIs
-	base.WaitForShutdown()
+	basepkg.WaitForShutdown(processCtx)
 }
diff --git a/cmd/resolve-state/main.go b/cmd/resolve-state/main.go
index 099daaa9..09c0e690 100644
--- a/cmd/resolve-state/main.go
+++ b/cmd/resolve-state/main.go
@@ -10,12 +10,13 @@ import (
 	"time"
 
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/roomserver/state"
 	"github.com/matrix-org/dendrite/roomserver/storage"
 	"github.com/matrix-org/dendrite/roomserver/types"
 	"github.com/matrix-org/dendrite/setup"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/gomatrixserverlib"
 )
 
@@ -40,7 +41,7 @@ func main() {
 		Level: "error",
 	})
 	cfg.ClientAPI.RegistrationDisabled = true
-	base := base.NewBaseDendrite(cfg, base.DisableMetrics)
+
 	args := flag.Args()
 
 	fmt.Println("Room version", *roomVersion)
@@ -54,8 +55,10 @@ func main() {
 
 	fmt.Println("Fetching", len(snapshotNIDs), "snapshot NIDs")
 
+	processCtx := process.NewProcessContext()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
 	roomserverDB, err := storage.Open(
-		base.ProcessContext.Context(), base.ConnectionManager, &cfg.RoomServer.Database,
+		processCtx.Context(), cm, &cfg.RoomServer.Database,
 		caching.NewRistrettoCache(128*1024*1024, time.Hour, true),
 	)
 	if err != nil {
diff --git a/federationapi/federationapi.go b/federationapi/federationapi.go
index 8a4237ba..3b5394a1 100644
--- a/federationapi/federationapi.go
+++ b/federationapi/federationapi.go
@@ -17,6 +17,10 @@ package federationapi
 import (
 	"time"
 
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/sirupsen/logrus"
 
 	"github.com/matrix-org/dendrite/federationapi/api"
@@ -29,7 +33,6 @@ import (
 	"github.com/matrix-org/dendrite/federationapi/storage"
 	"github.com/matrix-org/dendrite/internal/caching"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 
@@ -40,17 +43,21 @@ import (
 
 // AddPublicRoutes sets up and registers HTTP handlers on the base API muxes for the FederationAPI component.
 func AddPublicRoutes(
-	base *base.BaseDendrite,
+	processContext *process.ProcessContext,
+	routers httputil.Routers,
+	dendriteConfig *config.Dendrite,
+	natsInstance *jetstream.NATSInstance,
 	userAPI userapi.FederationUserAPI,
 	federation *gomatrixserverlib.FederationClient,
 	keyRing gomatrixserverlib.JSONVerifier,
 	rsAPI roomserverAPI.FederationRoomserverAPI,
 	fedAPI federationAPI.FederationInternalAPI,
 	servers federationAPI.ServersInRoomProvider,
+	enableMetrics bool,
 ) {
-	cfg := &base.Cfg.FederationAPI
-	mscCfg := &base.Cfg.MSCs
-	js, _ := base.NATS.Prepare(base.ProcessContext, &cfg.Matrix.JetStream)
+	cfg := &dendriteConfig.FederationAPI
+	mscCfg := &dendriteConfig.MSCs
+	js, _ := natsInstance.Prepare(processContext, &cfg.Matrix.JetStream)
 	producer := &producers.SyncAPIProducer{
 		JetStream:              js,
 		TopicReceiptEvent:      cfg.Matrix.JetStream.Prefixed(jetstream.OutputReceiptEvent),
@@ -75,26 +82,30 @@ func AddPublicRoutes(
 	}
 
 	routing.Setup(
-		base,
+		routers,
+		dendriteConfig,
 		rsAPI, f, keyRing,
 		federation, userAPI, mscCfg,
-		servers, producer,
+		servers, producer, enableMetrics,
 	)
 }
 
 // NewInternalAPI returns a concerete implementation of the internal API. Callers
 // can call functions directly on the returned API or via an HTTP interface using AddInternalRoutes.
 func NewInternalAPI(
-	base *base.BaseDendrite,
+	processContext *process.ProcessContext,
+	dendriteCfg *config.Dendrite,
+	cm sqlutil.Connections,
+	natsInstance *jetstream.NATSInstance,
 	federation api.FederationClient,
 	rsAPI roomserverAPI.FederationRoomserverAPI,
 	caches *caching.Caches,
 	keyRing *gomatrixserverlib.KeyRing,
 	resetBlacklist bool,
 ) api.FederationInternalAPI {
-	cfg := &base.Cfg.FederationAPI
+	cfg := &dendriteCfg.FederationAPI
 
-	federationDB, err := storage.NewDatabase(base.ProcessContext.Context(), base.ConnectionManager, &cfg.Database, caches, base.Cfg.Global.IsLocalServerName)
+	federationDB, err := storage.NewDatabase(processContext.Context(), cm, &cfg.Database, caches, dendriteCfg.Global.IsLocalServerName)
 	if err != nil {
 		logrus.WithError(err).Panic("failed to connect to federation sender db")
 	}
@@ -108,51 +119,51 @@ func NewInternalAPI(
 		cfg.FederationMaxRetries+1,
 		cfg.P2PFederationRetriesUntilAssumedOffline+1)
 
-	js, nats := base.NATS.Prepare(base.ProcessContext, &cfg.Matrix.JetStream)
+	js, nats := natsInstance.Prepare(processContext, &cfg.Matrix.JetStream)
 
-	signingInfo := base.Cfg.Global.SigningIdentities()
+	signingInfo := dendriteCfg.Global.SigningIdentities()
 
 	queues := queue.NewOutgoingQueues(
-		federationDB, base.ProcessContext,
+		federationDB, processContext,
 		cfg.Matrix.DisableFederation,
 		cfg.Matrix.ServerName, federation, rsAPI, &stats,
 		signingInfo,
 	)
 
 	rsConsumer := consumers.NewOutputRoomEventConsumer(
-		base.ProcessContext, cfg, js, nats, queues,
+		processContext, cfg, js, nats, queues,
 		federationDB, rsAPI,
 	)
 	if err = rsConsumer.Start(); err != nil {
 		logrus.WithError(err).Panic("failed to start room server consumer")
 	}
 	tsConsumer := consumers.NewOutputSendToDeviceConsumer(
-		base.ProcessContext, cfg, js, queues, federationDB,
+		processContext, cfg, js, queues, federationDB,
 	)
 	if err = tsConsumer.Start(); err != nil {
 		logrus.WithError(err).Panic("failed to start send-to-device consumer")
 	}
 	receiptConsumer := consumers.NewOutputReceiptConsumer(
-		base.ProcessContext, cfg, js, queues, federationDB,
+		processContext, cfg, js, queues, federationDB,
 	)
 	if err = receiptConsumer.Start(); err != nil {
 		logrus.WithError(err).Panic("failed to start receipt consumer")
 	}
 	typingConsumer := consumers.NewOutputTypingConsumer(
-		base.ProcessContext, cfg, js, queues, federationDB,
+		processContext, cfg, js, queues, federationDB,
 	)
 	if err = typingConsumer.Start(); err != nil {
 		logrus.WithError(err).Panic("failed to start typing consumer")
 	}
 	keyConsumer := consumers.NewKeyChangeConsumer(
-		base.ProcessContext, &base.Cfg.KeyServer, js, queues, federationDB, rsAPI,
+		processContext, &dendriteCfg.KeyServer, js, queues, federationDB, rsAPI,
 	)
 	if err = keyConsumer.Start(); err != nil {
 		logrus.WithError(err).Panic("failed to start key server consumer")
 	}
 
 	presenceConsumer := consumers.NewOutputPresenceConsumer(
-		base.ProcessContext, cfg, js, queues, federationDB, rsAPI,
+		processContext, cfg, js, queues, federationDB, rsAPI,
 	)
 	if err = presenceConsumer.Start(); err != nil {
 		logrus.WithError(err).Panic("failed to start presence consumer")
@@ -161,7 +172,7 @@ func NewInternalAPI(
 	var cleanExpiredEDUs func()
 	cleanExpiredEDUs = func() {
 		logrus.Infof("Cleaning expired EDUs")
-		if err := federationDB.DeleteExpiredEDUs(base.Context()); err != nil {
+		if err := federationDB.DeleteExpiredEDUs(processContext.Context()); err != nil {
 			logrus.WithError(err).Error("Failed to clean expired EDUs")
 		}
 		time.AfterFunc(time.Hour, cleanExpiredEDUs)
diff --git a/federationapi/federationapi_keys_test.go b/federationapi/federationapi_keys_test.go
index bb6ee893..425cdbb9 100644
--- a/federationapi/federationapi_keys_test.go
+++ b/federationapi/federationapi_keys_test.go
@@ -12,12 +12,14 @@ import (
 	"testing"
 	"time"
 
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/gomatrixserverlib"
 
 	"github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/federationapi/routing"
 	"github.com/matrix-org/dendrite/internal/caching"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
 )
 
@@ -65,7 +67,7 @@ func TestMain(m *testing.M) {
 
 			// Create a new cache but don't enable prometheus!
 			s.cache = caching.NewRistrettoCache(8*1024*1024, time.Hour, false)
-
+			natsInstance := jetstream.NATSInstance{}
 			// Create a temporary directory for JetStream.
 			d, err := os.MkdirTemp("./", "jetstream*")
 			if err != nil {
@@ -109,8 +111,9 @@ func TestMain(m *testing.M) {
 			)
 
 			// Finally, build the server key APIs.
-			sbase := base.NewBaseDendrite(cfg, base.DisableMetrics)
-			s.api = NewInternalAPI(sbase, s.fedclient, nil, s.cache, nil, true)
+			processCtx := process.NewProcessContext()
+			cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+			s.api = NewInternalAPI(processCtx, cfg, cm, &natsInstance, s.fedclient, nil, s.cache, nil, true)
 		}
 
 		// Now that we have built our server key APIs, start the
diff --git a/federationapi/federationapi_test.go b/federationapi/federationapi_test.go
index 8aea96a7..d39f4051 100644
--- a/federationapi/federationapi_test.go
+++ b/federationapi/federationapi_test.go
@@ -11,6 +11,8 @@ import (
 	"time"
 
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/gomatrix"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/nats-io/nats.go"
@@ -19,8 +21,6 @@ import (
 	"github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/federationapi/internal"
 	rsapi "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
-	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/test/testrig"
@@ -163,22 +163,24 @@ func TestFederationAPIJoinThenKeyUpdate(t *testing.T) {
 }
 
 func testFederationAPIJoinThenKeyUpdate(t *testing.T, dbType test.DBType) {
-	base, close := testrig.CreateBaseDendrite(t, dbType)
-	caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-	base.Cfg.FederationAPI.PreferDirectFetch = true
-	base.Cfg.FederationAPI.KeyPerspectives = nil
+	cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+	natsInstance := jetstream.NATSInstance{}
+	cfg.FederationAPI.PreferDirectFetch = true
+	cfg.FederationAPI.KeyPerspectives = nil
 	defer close()
-	jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
-	defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
+	jsctx, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+	defer jetstream.DeleteAllStreams(jsctx, &cfg.Global.JetStream)
 
 	serverA := gomatrixserverlib.ServerName("server.a")
 	serverAKeyID := gomatrixserverlib.KeyID("ed25519:servera")
 	serverAPrivKey := test.PrivateKeyA
 	creator := test.NewUser(t, test.WithSigningServer(serverA, serverAKeyID, serverAPrivKey))
 
-	myServer := base.Cfg.Global.ServerName
-	myServerKeyID := base.Cfg.Global.KeyID
-	myServerPrivKey := base.Cfg.Global.PrivateKey
+	myServer := cfg.Global.ServerName
+	myServerKeyID := cfg.Global.KeyID
+	myServerPrivKey := cfg.Global.PrivateKey
 	joiningUser := test.NewUser(t, test.WithSigningServer(myServer, myServerKeyID, myServerPrivKey))
 	fmt.Printf("creator: %v joining user: %v\n", creator.ID, joiningUser.ID)
 	room := test.NewRoom(t, creator)
@@ -214,7 +216,7 @@ func testFederationAPIJoinThenKeyUpdate(t *testing.T, dbType test.DBType) {
 			},
 		},
 	}
-	fsapi := federationapi.NewInternalAPI(base, fc, rsapi, caches, nil, false)
+	fsapi := federationapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, fc, rsapi, caches, nil, false)
 
 	var resp api.PerformJoinResponse
 	fsapi.PerformJoin(context.Background(), &api.PerformJoinRequest{
@@ -247,7 +249,7 @@ func testFederationAPIJoinThenKeyUpdate(t *testing.T, dbType test.DBType) {
 	}
 
 	msg := &nats.Msg{
-		Subject: base.Cfg.Global.JetStream.Prefixed(jetstream.OutputKeyChangeEvent),
+		Subject: cfg.Global.JetStream.Prefixed(jetstream.OutputKeyChangeEvent),
 		Header:  nats.Header{},
 		Data:    b,
 	}
@@ -265,30 +267,6 @@ func testFederationAPIJoinThenKeyUpdate(t *testing.T, dbType test.DBType) {
 // Tests that event IDs with '/' in them (escaped as %2F) are correctly passed to the right handler and don't 404.
 // Relevant for v3 rooms and a cause of flakey sytests as the IDs are randomly generated.
 func TestRoomsV3URLEscapeDoNot404(t *testing.T) {
-	_, privKey, _ := ed25519.GenerateKey(nil)
-	cfg := &config.Dendrite{}
-	cfg.Defaults(config.DefaultOpts{
-		Generate:       true,
-		SingleDatabase: false,
-	})
-	cfg.Global.KeyID = gomatrixserverlib.KeyID("ed25519:auto")
-	cfg.Global.ServerName = gomatrixserverlib.ServerName("localhost")
-	cfg.Global.PrivateKey = privKey
-	cfg.Global.JetStream.InMemory = true
-	b := base.NewBaseDendrite(cfg, base.DisableMetrics)
-	keyRing := &test.NopJSONVerifier{}
-	// TODO: This is pretty fragile, as if anything calls anything on these nils this test will break.
-	// Unfortunately, it makes little sense to instantiate these dependencies when we just want to test routing.
-	federationapi.AddPublicRoutes(b, nil, nil, keyRing, nil, &internal.FederationInternalAPI{}, nil)
-	baseURL, cancel := test.ListenAndServe(t, b.Routers.Federation, true)
-	defer cancel()
-	serverName := gomatrixserverlib.ServerName(strings.TrimPrefix(baseURL, "https://"))
-
-	fedCli := gomatrixserverlib.NewFederationClient(
-		cfg.Global.SigningIdentities(),
-		gomatrixserverlib.WithSkipVerify(true),
-	)
-
 	testCases := []struct {
 		roomVer   gomatrixserverlib.RoomVersion
 		eventJSON string
@@ -317,6 +295,29 @@ func TestRoomsV3URLEscapeDoNot404(t *testing.T) {
 		},
 	}
 
+	cfg, processCtx, close := testrig.CreateConfig(t, test.DBTypeSQLite)
+	defer close()
+	routers := httputil.NewRouters()
+
+	_, privKey, _ := ed25519.GenerateKey(nil)
+	cfg.Global.KeyID = gomatrixserverlib.KeyID("ed25519:auto")
+	cfg.Global.ServerName = gomatrixserverlib.ServerName("localhost")
+	cfg.Global.PrivateKey = privKey
+	cfg.Global.JetStream.InMemory = true
+	keyRing := &test.NopJSONVerifier{}
+	natsInstance := jetstream.NATSInstance{}
+	// TODO: This is pretty fragile, as if anything calls anything on these nils this test will break.
+	// Unfortunately, it makes little sense to instantiate these dependencies when we just want to test routing.
+	federationapi.AddPublicRoutes(processCtx, routers, cfg, &natsInstance, nil, nil, keyRing, nil, &internal.FederationInternalAPI{}, nil, caching.DisableMetrics)
+	baseURL, cancel := test.ListenAndServe(t, routers.Federation, true)
+	defer cancel()
+	serverName := gomatrixserverlib.ServerName(strings.TrimPrefix(baseURL, "https://"))
+
+	fedCli := gomatrixserverlib.NewFederationClient(
+		cfg.Global.SigningIdentities(),
+		gomatrixserverlib.WithSkipVerify(true),
+	)
+
 	for _, tc := range testCases {
 		ev, err := gomatrixserverlib.NewEventFromTrustedJSON([]byte(tc.eventJSON), false, tc.roomVer)
 		if err != nil {
diff --git a/federationapi/queue/queue_test.go b/federationapi/queue/queue_test.go
index c3fb1056..55d1df4a 100644
--- a/federationapi/queue/queue_test.go
+++ b/federationapi/queue/queue_test.go
@@ -22,6 +22,7 @@ import (
 	"time"
 
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/test/testrig"
 	"go.uber.org/atomic"
 	"gotest.tools/v3/poll"
@@ -41,18 +42,19 @@ import (
 func mustCreateFederationDatabase(t *testing.T, dbType test.DBType, realDatabase bool) (storage.Database, *process.ProcessContext, func()) {
 	if realDatabase {
 		// Real Database/s
-		b, baseClose := testrig.CreateBaseDendrite(t, dbType)
-		caches := caching.NewRistrettoCache(b.Cfg.Global.Cache.EstimatedMaxSize, b.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
 		connStr, dbClose := test.PrepareDBConnectionString(t, dbType)
-		db, err := storage.NewDatabase(b.ProcessContext.Context(), b.ConnectionManager, &config.DatabaseOptions{
+		db, err := storage.NewDatabase(processCtx.Context(), cm, &config.DatabaseOptions{
 			ConnectionString: config.DataSource(connStr),
-		}, caches, b.Cfg.Global.IsLocalServerName)
+		}, caches, cfg.Global.IsLocalServerName)
 		if err != nil {
 			t.Fatalf("NewDatabase returned %s", err)
 		}
-		return db, b.ProcessContext, func() {
+		return db, processCtx, func() {
+			close()
 			dbClose()
-			baseClose()
 		}
 	} else {
 		// Fake Database
diff --git a/federationapi/routing/profile_test.go b/federationapi/routing/profile_test.go
index df494a74..d5e9997f 100644
--- a/federationapi/routing/profile_test.go
+++ b/federationapi/routing/profile_test.go
@@ -27,7 +27,10 @@ import (
 	fedAPI "github.com/matrix-org/dendrite/federationapi"
 	fedInternal "github.com/matrix-org/dendrite/federationapi/internal"
 	"github.com/matrix-org/dendrite/federationapi/routing"
+	"github.com/matrix-org/dendrite/internal/caching"
 	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/test/testrig"
 	userAPI "github.com/matrix-org/dendrite/userapi/api"
@@ -46,23 +49,26 @@ func (u *fakeUserAPI) QueryProfile(ctx context.Context, req *userAPI.QueryProfil
 
 func TestHandleQueryProfile(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, close := testrig.CreateBaseDendrite(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		routers := httputil.NewRouters()
 		defer close()
 
 		fedMux := mux.NewRouter().SkipClean(true).PathPrefix(httputil.PublicFederationPathPrefix).Subrouter().UseEncodedPath()
-		base.Routers.Federation = fedMux
-		base.Cfg.FederationAPI.Matrix.SigningIdentity.ServerName = testOrigin
-		base.Cfg.FederationAPI.Matrix.Metrics.Enabled = false
+		natsInstance := jetstream.NATSInstance{}
+		routers.Federation = fedMux
+		cfg.FederationAPI.Matrix.SigningIdentity.ServerName = testOrigin
+		cfg.FederationAPI.Matrix.Metrics.Enabled = false
 		fedClient := fakeFedClient{}
 		serverKeyAPI := &signing.YggdrasilKeys{}
 		keyRing := serverKeyAPI.KeyRing()
-		fedapi := fedAPI.NewInternalAPI(base, &fedClient, nil, nil, keyRing, true)
+		fedapi := fedAPI.NewInternalAPI(processCtx, cfg, cm, &natsInstance, &fedClient, nil, nil, keyRing, true)
 		userapi := fakeUserAPI{}
 		r, ok := fedapi.(*fedInternal.FederationInternalAPI)
 		if !ok {
 			panic("This is a programming error.")
 		}
-		routing.Setup(base, nil, r, keyRing, &fedClient, &userapi, &base.Cfg.MSCs, nil, nil)
+		routing.Setup(routers, cfg, nil, r, keyRing, &fedClient, &userapi, &cfg.MSCs, nil, nil, caching.DisableMetrics)
 
 		handler := fedMux.Get(routing.QueryProfileRouteName).GetHandler().ServeHTTP
 		_, sk, _ := ed25519.GenerateKey(nil)
diff --git a/federationapi/routing/query_test.go b/federationapi/routing/query_test.go
index 69cf7047..6e702963 100644
--- a/federationapi/routing/query_test.go
+++ b/federationapi/routing/query_test.go
@@ -28,7 +28,10 @@ import (
 	fedclient "github.com/matrix-org/dendrite/federationapi/api"
 	fedInternal "github.com/matrix-org/dendrite/federationapi/internal"
 	"github.com/matrix-org/dendrite/federationapi/routing"
+	"github.com/matrix-org/dendrite/internal/caching"
 	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/test/testrig"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -46,23 +49,26 @@ func (f *fakeFedClient) LookupRoomAlias(ctx context.Context, origin, s gomatrixs
 
 func TestHandleQueryDirectory(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, close := testrig.CreateBaseDendrite(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		routers := httputil.NewRouters()
 		defer close()
 
 		fedMux := mux.NewRouter().SkipClean(true).PathPrefix(httputil.PublicFederationPathPrefix).Subrouter().UseEncodedPath()
-		base.Routers.Federation = fedMux
-		base.Cfg.FederationAPI.Matrix.SigningIdentity.ServerName = testOrigin
-		base.Cfg.FederationAPI.Matrix.Metrics.Enabled = false
+		natsInstance := jetstream.NATSInstance{}
+		routers.Federation = fedMux
+		cfg.FederationAPI.Matrix.SigningIdentity.ServerName = testOrigin
+		cfg.FederationAPI.Matrix.Metrics.Enabled = false
 		fedClient := fakeFedClient{}
 		serverKeyAPI := &signing.YggdrasilKeys{}
 		keyRing := serverKeyAPI.KeyRing()
-		fedapi := fedAPI.NewInternalAPI(base, &fedClient, nil, nil, keyRing, true)
+		fedapi := fedAPI.NewInternalAPI(processCtx, cfg, cm, &natsInstance, &fedClient, nil, nil, keyRing, true)
 		userapi := fakeUserAPI{}
 		r, ok := fedapi.(*fedInternal.FederationInternalAPI)
 		if !ok {
 			panic("This is a programming error.")
 		}
-		routing.Setup(base, nil, r, keyRing, &fedClient, &userapi, &base.Cfg.MSCs, nil, nil)
+		routing.Setup(routers, cfg, nil, r, keyRing, &fedClient, &userapi, &cfg.MSCs, nil, nil, caching.DisableMetrics)
 
 		handler := fedMux.Get(routing.QueryDirectoryRouteName).GetHandler().ServeHTTP
 		_, sk, _ := ed25519.GenerateKey(nil)
diff --git a/federationapi/routing/routing.go b/federationapi/routing/routing.go
index c86d18d2..a1f943e7 100644
--- a/federationapi/routing/routing.go
+++ b/federationapi/routing/routing.go
@@ -31,7 +31,6 @@ import (
 	"github.com/matrix-org/dendrite/internal/httputil"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -55,7 +54,8 @@ const (
 // applied:
 // nolint: gocyclo
 func Setup(
-	base *base.BaseDendrite,
+	routers httputil.Routers,
+	dendriteCfg *config.Dendrite,
 	rsAPI roomserverAPI.FederationRoomserverAPI,
 	fsAPI *fedInternal.FederationInternalAPI,
 	keys gomatrixserverlib.JSONVerifier,
@@ -63,14 +63,14 @@ func Setup(
 	userAPI userapi.FederationUserAPI,
 	mscCfg *config.MSCs,
 	servers federationAPI.ServersInRoomProvider,
-	producer *producers.SyncAPIProducer,
+	producer *producers.SyncAPIProducer, enableMetrics bool,
 ) {
-	fedMux := base.Routers.Federation
-	keyMux := base.Routers.Keys
-	wkMux := base.Routers.WellKnown
-	cfg := &base.Cfg.FederationAPI
+	fedMux := routers.Federation
+	keyMux := routers.Keys
+	wkMux := routers.WellKnown
+	cfg := &dendriteCfg.FederationAPI
 
-	if base.EnableMetrics {
+	if enableMetrics {
 		prometheus.MustRegister(
 			internal.PDUCountTotal, internal.EDUCountTotal,
 		)
diff --git a/federationapi/routing/send_test.go b/federationapi/routing/send_test.go
index 53e1399a..28fa6d6d 100644
--- a/federationapi/routing/send_test.go
+++ b/federationapi/routing/send_test.go
@@ -25,7 +25,10 @@ import (
 	fedAPI "github.com/matrix-org/dendrite/federationapi"
 	fedInternal "github.com/matrix-org/dendrite/federationapi/internal"
 	"github.com/matrix-org/dendrite/federationapi/routing"
+	"github.com/matrix-org/dendrite/internal/caching"
 	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/test/testrig"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -44,21 +47,24 @@ type sendContent struct {
 
 func TestHandleSend(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, close := testrig.CreateBaseDendrite(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		routers := httputil.NewRouters()
 		defer close()
 
 		fedMux := mux.NewRouter().SkipClean(true).PathPrefix(httputil.PublicFederationPathPrefix).Subrouter().UseEncodedPath()
-		base.Routers.Federation = fedMux
-		base.Cfg.FederationAPI.Matrix.SigningIdentity.ServerName = testOrigin
-		base.Cfg.FederationAPI.Matrix.Metrics.Enabled = false
-		fedapi := fedAPI.NewInternalAPI(base, nil, nil, nil, nil, true)
+		natsInstance := jetstream.NATSInstance{}
+		routers.Federation = fedMux
+		cfg.FederationAPI.Matrix.SigningIdentity.ServerName = testOrigin
+		cfg.FederationAPI.Matrix.Metrics.Enabled = false
+		fedapi := fedAPI.NewInternalAPI(processCtx, cfg, cm, &natsInstance, nil, nil, nil, nil, true)
 		serverKeyAPI := &signing.YggdrasilKeys{}
 		keyRing := serverKeyAPI.KeyRing()
 		r, ok := fedapi.(*fedInternal.FederationInternalAPI)
 		if !ok {
 			panic("This is a programming error.")
 		}
-		routing.Setup(base, nil, r, keyRing, nil, nil, &base.Cfg.MSCs, nil, nil)
+		routing.Setup(routers, cfg, nil, r, keyRing, nil, nil, &cfg.MSCs, nil, nil, caching.DisableMetrics)
 
 		handler := fedMux.Get(routing.SendRouteName).GetHandler().ServeHTTP
 		_, sk, _ := ed25519.GenerateKey(nil)
diff --git a/federationapi/storage/storage_test.go b/federationapi/storage/storage_test.go
index a02b71b6..74863c07 100644
--- a/federationapi/storage/storage_test.go
+++ b/federationapi/storage/storage_test.go
@@ -20,7 +20,7 @@ func mustCreateFederationDatabase(t *testing.T, dbType test.DBType) (storage.Dat
 	caches := caching.NewRistrettoCache(8*1024*1024, time.Hour, false)
 	connStr, dbClose := test.PrepareDBConnectionString(t, dbType)
 	ctx := context.Background()
-	cm := sqlutil.NewConnectionManager()
+	cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 	db, err := storage.NewDatabase(ctx, cm, &config.DatabaseOptions{
 		ConnectionString: config.DataSource(connStr),
 	}, caches, func(server gomatrixserverlib.ServerName) bool { return server == "localhost" })
diff --git a/internal/sqlutil/connection_manager.go b/internal/sqlutil/connection_manager.go
index cefd9f80..934a2954 100644
--- a/internal/sqlutil/connection_manager.go
+++ b/internal/sqlutil/connection_manager.go
@@ -19,15 +19,21 @@ import (
 	"fmt"
 
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/process"
 )
 
 type Connections struct {
-	db     *sql.DB
-	writer Writer
+	db             *sql.DB
+	writer         Writer
+	globalConfig   config.DatabaseOptions
+	processContext *process.ProcessContext
 }
 
-func NewConnectionManager() Connections {
-	return Connections{}
+func NewConnectionManager(processCtx *process.ProcessContext, globalConfig config.DatabaseOptions) Connections {
+	return Connections{
+		globalConfig:   globalConfig,
+		processContext: processCtx,
+	}
 }
 
 func (c *Connections) Connection(dbProperties *config.DatabaseOptions) (*sql.DB, Writer, error) {
@@ -35,14 +41,29 @@ func (c *Connections) Connection(dbProperties *config.DatabaseOptions) (*sql.DB,
 	if dbProperties.ConnectionString.IsSQLite() {
 		writer = NewExclusiveWriter()
 	}
+	var err error
+	if dbProperties.ConnectionString == "" {
+		// if no connectionString was provided, try the global one
+		dbProperties = &c.globalConfig
+	}
 	if dbProperties.ConnectionString != "" || c.db == nil {
-		var err error
 		// Open a new database connection using the supplied config.
 		c.db, err = Open(dbProperties, writer)
 		if err != nil {
 			return nil, nil, err
 		}
 		c.writer = writer
+		go func() {
+			if c.processContext == nil {
+				return
+			}
+			// If we have a ProcessContext, start a component and wait for
+			// Dendrite to shut down to cleanly close the database connection.
+			c.processContext.ComponentStarted()
+			<-c.processContext.WaitForShutdown()
+			_ = c.db.Close()
+			c.processContext.ComponentFinished()
+		}()
 		return c.db, c.writer, nil
 	}
 	if c.db != nil && c.writer != nil {
diff --git a/internal/sqlutil/connection_manager_test.go b/internal/sqlutil/connection_manager_test.go
index 610629d5..a9ac8d57 100644
--- a/internal/sqlutil/connection_manager_test.go
+++ b/internal/sqlutil/connection_manager_test.go
@@ -13,9 +13,9 @@ func TestConnectionManager(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		conStr, close := test.PrepareDBConnectionString(t, dbType)
 		t.Cleanup(close)
-		cm := sqlutil.NewConnectionManager()
+		cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 
-		dbProps := &config.DatabaseOptions{ConnectionString: config.DataSource(string(conStr))}
+		dbProps := &config.DatabaseOptions{ConnectionString: config.DataSource(conStr)}
 		db, writer, err := cm.Connection(dbProps)
 		if err != nil {
 			t.Fatal(err)
@@ -47,8 +47,8 @@ func TestConnectionManager(t *testing.T) {
 		}
 
 		// test invalid connection string configured
-		cm = sqlutil.NewConnectionManager()
-		_, _, err = cm.Connection(&config.DatabaseOptions{ConnectionString: "http://"})
+		cm2 := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
+		_, _, err = cm2.Connection(&config.DatabaseOptions{ConnectionString: "http://"})
 		if err == nil {
 			t.Fatal("expected an error but got none")
 		}
diff --git a/mediaapi/mediaapi.go b/mediaapi/mediaapi.go
index 42e0ea88..5d517ef2 100644
--- a/mediaapi/mediaapi.go
+++ b/mediaapi/mediaapi.go
@@ -15,9 +15,11 @@
 package mediaapi
 
 import (
+	"github.com/gorilla/mux"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/mediaapi/routing"
 	"github.com/matrix-org/dendrite/mediaapi/storage"
-	"github.com/matrix-org/dendrite/setup/base"
+	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/sirupsen/logrus"
@@ -25,19 +27,18 @@ import (
 
 // AddPublicRoutes sets up and registers HTTP handlers for the MediaAPI component.
 func AddPublicRoutes(
-	base *base.BaseDendrite,
+	mediaRouter *mux.Router,
+	cm sqlutil.Connections,
+	cfg *config.Dendrite,
 	userAPI userapi.MediaUserAPI,
 	client *gomatrixserverlib.Client,
 ) {
-	cfg := &base.Cfg.MediaAPI
-	rateCfg := &base.Cfg.ClientAPI.RateLimiting
-
-	mediaDB, err := storage.NewMediaAPIDatasource(base.ConnectionManager, &cfg.Database)
+	mediaDB, err := storage.NewMediaAPIDatasource(cm, &cfg.MediaAPI.Database)
 	if err != nil {
 		logrus.WithError(err).Panicf("failed to connect to media db")
 	}
 
 	routing.Setup(
-		base.Routers.Media, cfg, rateCfg, mediaDB, userAPI, client,
+		mediaRouter, cfg, mediaDB, userAPI, client,
 	)
 }
diff --git a/mediaapi/routing/routing.go b/mediaapi/routing/routing.go
index 8a4a5afc..98e6a82e 100644
--- a/mediaapi/routing/routing.go
+++ b/mediaapi/routing/routing.go
@@ -45,13 +45,12 @@ type configResponse struct {
 // nolint: gocyclo
 func Setup(
 	publicAPIMux *mux.Router,
-	cfg *config.MediaAPI,
-	rateLimit *config.RateLimiting,
+	cfg *config.Dendrite,
 	db storage.Database,
 	userAPI userapi.MediaUserAPI,
 	client *gomatrixserverlib.Client,
 ) {
-	rateLimits := httputil.NewRateLimits(rateLimit)
+	rateLimits := httputil.NewRateLimits(&cfg.ClientAPI.RateLimiting)
 
 	v3mux := publicAPIMux.PathPrefix("/{apiversion:(?:r0|v1|v3)}/").Subrouter()
 
@@ -65,7 +64,7 @@ func Setup(
 			if r := rateLimits.Limit(req, dev); r != nil {
 				return *r
 			}
-			return Upload(req, cfg, dev, db, activeThumbnailGeneration)
+			return Upload(req, &cfg.MediaAPI, dev, db, activeThumbnailGeneration)
 		},
 	)
 
@@ -73,8 +72,8 @@ func Setup(
 		if r := rateLimits.Limit(req, device); r != nil {
 			return *r
 		}
-		respondSize := &cfg.MaxFileSizeBytes
-		if cfg.MaxFileSizeBytes == 0 {
+		respondSize := &cfg.MediaAPI.MaxFileSizeBytes
+		if cfg.MediaAPI.MaxFileSizeBytes == 0 {
 			respondSize = nil
 		}
 		return util.JSONResponse{
@@ -90,12 +89,12 @@ func Setup(
 		MXCToResult: map[string]*types.RemoteRequestResult{},
 	}
 
-	downloadHandler := makeDownloadAPI("download", cfg, rateLimits, db, client, activeRemoteRequests, activeThumbnailGeneration)
+	downloadHandler := makeDownloadAPI("download", &cfg.MediaAPI, rateLimits, db, client, activeRemoteRequests, activeThumbnailGeneration)
 	v3mux.Handle("/download/{serverName}/{mediaId}", downloadHandler).Methods(http.MethodGet, http.MethodOptions)
 	v3mux.Handle("/download/{serverName}/{mediaId}/{downloadName}", downloadHandler).Methods(http.MethodGet, http.MethodOptions)
 
 	v3mux.Handle("/thumbnail/{serverName}/{mediaId}",
-		makeDownloadAPI("thumbnail", cfg, rateLimits, db, client, activeRemoteRequests, activeThumbnailGeneration),
+		makeDownloadAPI("thumbnail", &cfg.MediaAPI, rateLimits, db, client, activeRemoteRequests, activeThumbnailGeneration),
 	).Methods(http.MethodGet, http.MethodOptions)
 }
 
diff --git a/mediaapi/routing/upload_test.go b/mediaapi/routing/upload_test.go
index d4fb45d1..d088950c 100644
--- a/mediaapi/routing/upload_test.go
+++ b/mediaapi/routing/upload_test.go
@@ -50,7 +50,7 @@ func Test_uploadRequest_doUpload(t *testing.T) {
 	// create testdata folder and remove when done
 	_ = os.Mkdir(testdataPath, os.ModePerm)
 	defer fileutils.RemoveDir(types.Path(testdataPath), nil)
-	cm := sqlutil.NewConnectionManager()
+	cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 	db, err := storage.NewMediaAPIDatasource(cm, &config.DatabaseOptions{
 		ConnectionString:       "file::memory:?cache=shared",
 		MaxOpenConnections:     100,
diff --git a/mediaapi/storage/storage_test.go b/mediaapi/storage/storage_test.go
index 11febd27..8cd29a54 100644
--- a/mediaapi/storage/storage_test.go
+++ b/mediaapi/storage/storage_test.go
@@ -14,7 +14,7 @@ import (
 
 func mustCreateDatabase(t *testing.T, dbType test.DBType) (storage.Database, func()) {
 	connStr, close := test.PrepareDBConnectionString(t, dbType)
-	cm := sqlutil.NewConnectionManager()
+	cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 	db, err := storage.NewMediaAPIDatasource(cm, &config.DatabaseOptions{
 		ConnectionString: config.DataSource(connStr),
 	})
diff --git a/relayapi/relayapi.go b/relayapi/relayapi.go
index 925fc031..fdc366e4 100644
--- a/relayapi/relayapi.go
+++ b/relayapi/relayapi.go
@@ -17,24 +17,25 @@ package relayapi
 import (
 	"github.com/matrix-org/dendrite/federationapi/producers"
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/relayapi/api"
 	"github.com/matrix-org/dendrite/relayapi/internal"
 	"github.com/matrix-org/dendrite/relayapi/routing"
 	"github.com/matrix-org/dendrite/relayapi/storage"
 	rsAPI "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
+	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/sirupsen/logrus"
 )
 
 // AddPublicRoutes sets up and registers HTTP handlers on the base API muxes for the FederationAPI component.
 func AddPublicRoutes(
-	base *base.BaseDendrite,
+	routers httputil.Routers,
+	dendriteCfg *config.Dendrite,
 	keyRing gomatrixserverlib.JSONVerifier,
 	relayAPI api.RelayInternalAPI,
 ) {
-	fedCfg := &base.Cfg.FederationAPI
-
 	relay, ok := relayAPI.(*internal.RelayInternalAPI)
 	if !ok {
 		panic("relayapi.AddPublicRoutes called with a RelayInternalAPI impl which was not " +
@@ -42,15 +43,16 @@ func AddPublicRoutes(
 	}
 
 	routing.Setup(
-		base.Routers.Federation,
-		fedCfg,
+		routers.Federation,
+		&dendriteCfg.FederationAPI,
 		relay,
 		keyRing,
 	)
 }
 
 func NewRelayInternalAPI(
-	base *base.BaseDendrite,
+	dendriteCfg *config.Dendrite,
+	cm sqlutil.Connections,
 	fedClient *gomatrixserverlib.FederationClient,
 	rsAPI rsAPI.RoomserverInternalAPI,
 	keyRing *gomatrixserverlib.KeyRing,
@@ -58,8 +60,7 @@ func NewRelayInternalAPI(
 	relayingEnabled bool,
 	caches caching.FederationCache,
 ) api.RelayInternalAPI {
-	cfg := &base.Cfg.RelayAPI
-	relayDB, err := storage.NewDatabase(base.ConnectionManager, &cfg.Database, caches, base.Cfg.Global.IsLocalServerName)
+	relayDB, err := storage.NewDatabase(cm, &dendriteCfg.RelayAPI.Database, caches, dendriteCfg.Global.IsLocalServerName)
 	if err != nil {
 		logrus.WithError(err).Panic("failed to connect to relay db")
 	}
@@ -70,8 +71,8 @@ func NewRelayInternalAPI(
 		rsAPI,
 		keyRing,
 		producer,
-		base.Cfg.Global.Presence.EnableInbound,
-		base.Cfg.Global.ServerName,
+		dendriteCfg.Global.Presence.EnableInbound,
+		dendriteCfg.Global.ServerName,
 		relayingEnabled,
 	)
 }
diff --git a/relayapi/relayapi_test.go b/relayapi/relayapi_test.go
index e8120309..8973c8cc 100644
--- a/relayapi/relayapi_test.go
+++ b/relayapi/relayapi_test.go
@@ -21,10 +21,13 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"testing"
+	"time"
 
 	"github.com/gorilla/mux"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/signing"
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/relayapi"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/test/testrig"
@@ -34,38 +37,38 @@ import (
 
 func TestCreateNewRelayInternalAPI(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, close := testrig.CreateBaseDendrite(t, dbType)
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
 		defer close()
-
-		relayAPI := relayapi.NewRelayInternalAPI(base, nil, nil, nil, nil, true, caches)
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		relayAPI := relayapi.NewRelayInternalAPI(cfg, cm, nil, nil, nil, nil, true, caches)
 		assert.NotNil(t, relayAPI)
 	})
 }
 
 func TestCreateRelayInternalInvalidDatabasePanics(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, close := testrig.CreateBaseDendrite(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
 		if dbType == test.DBTypeSQLite {
-			base.Cfg.RelayAPI.Database.ConnectionString = "file:"
+			cfg.RelayAPI.Database.ConnectionString = "file:"
 		} else {
-			base.Cfg.RelayAPI.Database.ConnectionString = "test"
+			cfg.RelayAPI.Database.ConnectionString = "test"
 		}
 		defer close()
-
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
 		assert.Panics(t, func() {
-			relayapi.NewRelayInternalAPI(base, nil, nil, nil, nil, true, nil)
+			relayapi.NewRelayInternalAPI(cfg, cm, nil, nil, nil, nil, true, nil)
 		})
 	})
 }
 
 func TestCreateInvalidRelayPublicRoutesPanics(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, close := testrig.CreateBaseDendrite(t, dbType)
+		cfg, _, close := testrig.CreateConfig(t, dbType)
 		defer close()
-
+		routers := httputil.NewRouters()
 		assert.Panics(t, func() {
-			relayapi.AddPublicRoutes(base, nil, nil)
+			relayapi.AddPublicRoutes(routers, cfg, nil, nil)
 		})
 	})
 }
@@ -107,16 +110,19 @@ func createSendRelayTxnHTTPRequest(serverName gomatrixserverlib.ServerName, txnI
 
 func TestCreateRelayPublicRoutes(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, close := testrig.CreateBaseDendrite(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
 		defer close()
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
+		routers := httputil.NewRouters()
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
 
-		relayAPI := relayapi.NewRelayInternalAPI(base, nil, nil, nil, nil, true, caches)
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+
+		relayAPI := relayapi.NewRelayInternalAPI(cfg, cm, nil, nil, nil, nil, true, caches)
 		assert.NotNil(t, relayAPI)
 
 		serverKeyAPI := &signing.YggdrasilKeys{}
 		keyRing := serverKeyAPI.KeyRing()
-		relayapi.AddPublicRoutes(base, keyRing, relayAPI)
+		relayapi.AddPublicRoutes(routers, cfg, keyRing, relayAPI)
 
 		testCases := []struct {
 			name     string
@@ -125,29 +131,29 @@ func TestCreateRelayPublicRoutes(t *testing.T) {
 		}{
 			{
 				name:     "relay_txn invalid user id",
-				req:      createGetRelayTxnHTTPRequest(base.Cfg.Global.ServerName, "user:local"),
+				req:      createGetRelayTxnHTTPRequest(cfg.Global.ServerName, "user:local"),
 				wantCode: 400,
 			},
 			{
 				name:     "relay_txn valid user id",
-				req:      createGetRelayTxnHTTPRequest(base.Cfg.Global.ServerName, "@user:local"),
+				req:      createGetRelayTxnHTTPRequest(cfg.Global.ServerName, "@user:local"),
 				wantCode: 200,
 			},
 			{
 				name:     "send_relay invalid user id",
-				req:      createSendRelayTxnHTTPRequest(base.Cfg.Global.ServerName, "123", "user:local"),
+				req:      createSendRelayTxnHTTPRequest(cfg.Global.ServerName, "123", "user:local"),
 				wantCode: 400,
 			},
 			{
 				name:     "send_relay valid user id",
-				req:      createSendRelayTxnHTTPRequest(base.Cfg.Global.ServerName, "123", "@user:local"),
+				req:      createSendRelayTxnHTTPRequest(cfg.Global.ServerName, "123", "@user:local"),
 				wantCode: 200,
 			},
 		}
 
 		for _, tc := range testCases {
 			w := httptest.NewRecorder()
-			base.Routers.Federation.ServeHTTP(w, tc.req)
+			routers.Federation.ServeHTTP(w, tc.req)
 			if w.Code != tc.wantCode {
 				t.Fatalf("%s: got HTTP %d want %d", tc.name, w.Code, tc.wantCode)
 			}
@@ -157,16 +163,19 @@ func TestCreateRelayPublicRoutes(t *testing.T) {
 
 func TestDisableRelayPublicRoutes(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, close := testrig.CreateBaseDendrite(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
 		defer close()
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
+		routers := httputil.NewRouters()
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
 
-		relayAPI := relayapi.NewRelayInternalAPI(base, nil, nil, nil, nil, false, caches)
+		relayAPI := relayapi.NewRelayInternalAPI(cfg, cm, nil, nil, nil, nil, false, caches)
 		assert.NotNil(t, relayAPI)
 
 		serverKeyAPI := &signing.YggdrasilKeys{}
 		keyRing := serverKeyAPI.KeyRing()
-		relayapi.AddPublicRoutes(base, keyRing, relayAPI)
+		relayapi.AddPublicRoutes(routers, cfg, keyRing, relayAPI)
 
 		testCases := []struct {
 			name     string
@@ -175,19 +184,19 @@ func TestDisableRelayPublicRoutes(t *testing.T) {
 		}{
 			{
 				name:     "relay_txn valid user id",
-				req:      createGetRelayTxnHTTPRequest(base.Cfg.Global.ServerName, "@user:local"),
+				req:      createGetRelayTxnHTTPRequest(cfg.Global.ServerName, "@user:local"),
 				wantCode: 404,
 			},
 			{
 				name:     "send_relay valid user id",
-				req:      createSendRelayTxnHTTPRequest(base.Cfg.Global.ServerName, "123", "@user:local"),
+				req:      createSendRelayTxnHTTPRequest(cfg.Global.ServerName, "123", "@user:local"),
 				wantCode: 404,
 			},
 		}
 
 		for _, tc := range testCases {
 			w := httptest.NewRecorder()
-			base.Routers.Federation.ServeHTTP(w, tc.req)
+			routers.Federation.ServeHTTP(w, tc.req)
 			if w.Code != tc.wantCode {
 				t.Fatalf("%s: got HTTP %d want %d", tc.name, w.Code, tc.wantCode)
 			}
diff --git a/roomserver/internal/alias.go b/roomserver/internal/alias.go
index fc61b7f4..94b8b16c 100644
--- a/roomserver/internal/alias.go
+++ b/roomserver/internal/alias.go
@@ -117,7 +117,7 @@ func (r *RoomserverInternalAPI) RemoveRoomAlias(
 	request *api.RemoveRoomAliasRequest,
 	response *api.RemoveRoomAliasResponse,
 ) error {
-	_, virtualHost, err := r.Cfg.Matrix.SplitLocalID('@', request.UserID)
+	_, virtualHost, err := r.Cfg.Global.SplitLocalID('@', request.UserID)
 	if err != nil {
 		return err
 	}
@@ -175,12 +175,12 @@ func (r *RoomserverInternalAPI) RemoveRoomAlias(
 				sender = ev.Sender()
 			}
 
-			_, senderDomain, err := r.Cfg.Matrix.SplitLocalID('@', sender)
+			_, senderDomain, err := r.Cfg.Global.SplitLocalID('@', sender)
 			if err != nil {
 				return err
 			}
 
-			identity, err := r.Cfg.Matrix.SigningIdentityFor(senderDomain)
+			identity, err := r.Cfg.Global.SigningIdentityFor(senderDomain)
 			if err != nil {
 				return err
 			}
@@ -206,7 +206,7 @@ func (r *RoomserverInternalAPI) RemoveRoomAlias(
 				return err
 			}
 
-			newEvent, err := eventutil.BuildEvent(ctx, builder, r.Cfg.Matrix, identity, time.Now(), &eventsNeeded, stateRes)
+			newEvent, err := eventutil.BuildEvent(ctx, builder, &r.Cfg.Global, identity, time.Now(), &eventsNeeded, stateRes)
 			if err != nil {
 				return err
 			}
diff --git a/roomserver/internal/api.go b/roomserver/internal/api.go
index 2e987d68..7ca3675d 100644
--- a/roomserver/internal/api.go
+++ b/roomserver/internal/api.go
@@ -18,7 +18,6 @@ import (
 	"github.com/matrix-org/dendrite/roomserver/internal/query"
 	"github.com/matrix-org/dendrite/roomserver/producers"
 	"github.com/matrix-org/dendrite/roomserver/storage"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/setup/process"
@@ -41,9 +40,8 @@ type RoomserverInternalAPI struct {
 	*perform.Upgrader
 	*perform.Admin
 	ProcessContext         *process.ProcessContext
-	Base                   *base.BaseDendrite
 	DB                     storage.Database
-	Cfg                    *config.RoomServer
+	Cfg                    *config.Dendrite
 	Cache                  caching.RoomServerCaches
 	ServerName             gomatrixserverlib.ServerName
 	KeyRing                gomatrixserverlib.JSONVerifier
@@ -56,43 +54,44 @@ type RoomserverInternalAPI struct {
 	InputRoomEventTopic    string // JetStream topic for new input room events
 	OutputProducer         *producers.RoomEventProducer
 	PerspectiveServerNames []gomatrixserverlib.ServerName
+	enableMetrics          bool
 }
 
 func NewRoomserverAPI(
-	base *base.BaseDendrite, roomserverDB storage.Database,
-	js nats.JetStreamContext, nc *nats.Conn, caches caching.RoomServerCaches,
+	processContext *process.ProcessContext, dendriteCfg *config.Dendrite, roomserverDB storage.Database,
+	js nats.JetStreamContext, nc *nats.Conn, caches caching.RoomServerCaches, enableMetrics bool,
 ) *RoomserverInternalAPI {
 	var perspectiveServerNames []gomatrixserverlib.ServerName
-	for _, kp := range base.Cfg.FederationAPI.KeyPerspectives {
+	for _, kp := range dendriteCfg.FederationAPI.KeyPerspectives {
 		perspectiveServerNames = append(perspectiveServerNames, kp.ServerName)
 	}
 
 	serverACLs := acls.NewServerACLs(roomserverDB)
 	producer := &producers.RoomEventProducer{
-		Topic:     string(base.Cfg.Global.JetStream.Prefixed(jetstream.OutputRoomEvent)),
+		Topic:     string(dendriteCfg.Global.JetStream.Prefixed(jetstream.OutputRoomEvent)),
 		JetStream: js,
 		ACLs:      serverACLs,
 	}
 	a := &RoomserverInternalAPI{
-		ProcessContext:         base.ProcessContext,
+		ProcessContext:         processContext,
 		DB:                     roomserverDB,
-		Base:                   base,
-		Cfg:                    &base.Cfg.RoomServer,
+		Cfg:                    dendriteCfg,
 		Cache:                  caches,
-		ServerName:             base.Cfg.Global.ServerName,
+		ServerName:             dendriteCfg.Global.ServerName,
 		PerspectiveServerNames: perspectiveServerNames,
-		InputRoomEventTopic:    base.Cfg.Global.JetStream.Prefixed(jetstream.InputRoomEvent),
+		InputRoomEventTopic:    dendriteCfg.Global.JetStream.Prefixed(jetstream.InputRoomEvent),
 		OutputProducer:         producer,
 		JetStream:              js,
 		NATSClient:             nc,
-		Durable:                base.Cfg.Global.JetStream.Durable("RoomserverInputConsumer"),
+		Durable:                dendriteCfg.Global.JetStream.Durable("RoomserverInputConsumer"),
 		ServerACLs:             serverACLs,
 		Queryer: &query.Queryer{
 			DB:                roomserverDB,
 			Cache:             caches,
-			IsLocalServerName: base.Cfg.Global.IsLocalServerName,
+			IsLocalServerName: dendriteCfg.Global.IsLocalServerName,
 			ServerACLs:        serverACLs,
 		},
+		enableMetrics: enableMetrics,
 		// perform-er structs get initialised when we have a federation sender to use
 	}
 	return a
@@ -105,15 +104,14 @@ func (r *RoomserverInternalAPI) SetFederationAPI(fsAPI fsAPI.RoomserverFederatio
 	r.fsAPI = fsAPI
 	r.KeyRing = keyRing
 
-	identity, err := r.Cfg.Matrix.SigningIdentityFor(r.ServerName)
+	identity, err := r.Cfg.Global.SigningIdentityFor(r.ServerName)
 	if err != nil {
 		logrus.Panic(err)
 	}
 
 	r.Inputer = &input.Inputer{
-		Cfg:                 &r.Base.Cfg.RoomServer,
-		Base:                r.Base,
-		ProcessContext:      r.Base.ProcessContext,
+		Cfg:                 &r.Cfg.RoomServer,
+		ProcessContext:      r.ProcessContext,
 		DB:                  r.DB,
 		InputRoomEventTopic: r.InputRoomEventTopic,
 		OutputProducer:      r.OutputProducer,
@@ -129,12 +127,12 @@ func (r *RoomserverInternalAPI) SetFederationAPI(fsAPI fsAPI.RoomserverFederatio
 	}
 	r.Inviter = &perform.Inviter{
 		DB:      r.DB,
-		Cfg:     r.Cfg,
+		Cfg:     &r.Cfg.RoomServer,
 		FSAPI:   r.fsAPI,
 		Inputer: r.Inputer,
 	}
 	r.Joiner = &perform.Joiner{
-		Cfg:     r.Cfg,
+		Cfg:     &r.Cfg.RoomServer,
 		DB:      r.DB,
 		FSAPI:   r.fsAPI,
 		RSAPI:   r,
@@ -143,7 +141,7 @@ func (r *RoomserverInternalAPI) SetFederationAPI(fsAPI fsAPI.RoomserverFederatio
 	}
 	r.Peeker = &perform.Peeker{
 		ServerName: r.ServerName,
-		Cfg:        r.Cfg,
+		Cfg:        &r.Cfg.RoomServer,
 		DB:         r.DB,
 		FSAPI:      r.fsAPI,
 		Inputer:    r.Inputer,
@@ -154,12 +152,12 @@ func (r *RoomserverInternalAPI) SetFederationAPI(fsAPI fsAPI.RoomserverFederatio
 	}
 	r.Unpeeker = &perform.Unpeeker{
 		ServerName: r.ServerName,
-		Cfg:        r.Cfg,
+		Cfg:        &r.Cfg.RoomServer,
 		FSAPI:      r.fsAPI,
 		Inputer:    r.Inputer,
 	}
 	r.Leaver = &perform.Leaver{
-		Cfg:     r.Cfg,
+		Cfg:     &r.Cfg.RoomServer,
 		DB:      r.DB,
 		FSAPI:   r.fsAPI,
 		Inputer: r.Inputer,
@@ -168,7 +166,7 @@ func (r *RoomserverInternalAPI) SetFederationAPI(fsAPI fsAPI.RoomserverFederatio
 		DB: r.DB,
 	}
 	r.Backfiller = &perform.Backfiller{
-		IsLocalServerName: r.Cfg.Matrix.IsLocalServerName,
+		IsLocalServerName: r.Cfg.Global.IsLocalServerName,
 		DB:                r.DB,
 		FSAPI:             r.fsAPI,
 		KeyRing:           r.KeyRing,
@@ -181,12 +179,12 @@ func (r *RoomserverInternalAPI) SetFederationAPI(fsAPI fsAPI.RoomserverFederatio
 		DB: r.DB,
 	}
 	r.Upgrader = &perform.Upgrader{
-		Cfg:    r.Cfg,
+		Cfg:    &r.Cfg.RoomServer,
 		URSAPI: r,
 	}
 	r.Admin = &perform.Admin{
 		DB:      r.DB,
-		Cfg:     r.Cfg,
+		Cfg:     &r.Cfg.RoomServer,
 		Inputer: r.Inputer,
 		Queryer: r.Queryer,
 		Leaver:  r.Leaver,
diff --git a/roomserver/internal/helpers/helpers_test.go b/roomserver/internal/helpers/helpers_test.go
index 03a8bf57..dd74b844 100644
--- a/roomserver/internal/helpers/helpers_test.go
+++ b/roomserver/internal/helpers/helpers_test.go
@@ -19,7 +19,7 @@ import (
 func mustCreateDatabase(t *testing.T, dbType test.DBType) (storage.Database, func()) {
 	conStr, close := test.PrepareDBConnectionString(t, dbType)
 	caches := caching.NewRistrettoCache(8*1024*1024, time.Hour, caching.DisableMetrics)
-	cm := sqlutil.NewConnectionManager()
+	cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 	db, err := storage.Open(context.Background(), cm, &config.DatabaseOptions{ConnectionString: config.DataSource(conStr)}, caches)
 	if err != nil {
 		t.Fatalf("failed to create Database: %v", err)
diff --git a/roomserver/internal/input/input.go b/roomserver/internal/input/input.go
index 2ec19f01..cc0c673d 100644
--- a/roomserver/internal/input/input.go
+++ b/roomserver/internal/input/input.go
@@ -39,7 +39,6 @@ import (
 	"github.com/matrix-org/dendrite/roomserver/producers"
 	"github.com/matrix-org/dendrite/roomserver/storage"
 	"github.com/matrix-org/dendrite/roomserver/types"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/setup/process"
@@ -74,7 +73,6 @@ import (
 // or C.
 type Inputer struct {
 	Cfg                 *config.RoomServer
-	Base                *base.BaseDendrite
 	ProcessContext      *process.ProcessContext
 	DB                  storage.RoomDatabase
 	NATSClient          *nats.Conn
@@ -89,8 +87,9 @@ type Inputer struct {
 	OutputProducer      *producers.RoomEventProducer
 	workers             sync.Map // room ID -> *worker
 
-	Queryer *query.Queryer
-	UserAPI userapi.RoomserverUserAPI
+	Queryer       *query.Queryer
+	UserAPI       userapi.RoomserverUserAPI
+	enableMetrics bool
 }
 
 // If a room consumer is inactive for a while then we will allow NATS
@@ -177,7 +176,7 @@ func (r *Inputer) startWorkerForRoom(roomID string) {
 // will look to see if we have a worker for that room which has its
 // own consumer. If we don't, we'll start one.
 func (r *Inputer) Start() error {
-	if r.Base.EnableMetrics {
+	if r.enableMetrics {
 		prometheus.MustRegister(roomserverInputBackpressure, processRoomEventDuration)
 	}
 	_, err := r.JetStream.Subscribe(
diff --git a/roomserver/internal/input/input_test.go b/roomserver/internal/input/input_test.go
index 555ec9c6..51c50c37 100644
--- a/roomserver/internal/input/input_test.go
+++ b/roomserver/internal/input/input_test.go
@@ -2,84 +2,69 @@ package input_test
 
 import (
 	"context"
-	"os"
 	"testing"
 	"time"
 
 	"github.com/matrix-org/dendrite/internal/caching"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/roomserver"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/roomserver/internal/input"
-	"github.com/matrix-org/dendrite/roomserver/storage"
-	"github.com/matrix-org/dendrite/setup/base"
-	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/test/testrig"
 	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/nats-io/nats.go"
 )
 
-var js nats.JetStreamContext
-var jc *nats.Conn
+func TestSingleTransactionOnInput(t *testing.T) {
+	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		defer close()
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
 
-func TestMain(m *testing.M) {
-	var b *base.BaseDendrite
-	b, js, jc = testrig.Base(nil)
-	code := m.Run()
-	b.ShutdownDendrite()
-	b.WaitForComponentsToFinish()
-	os.Exit(code)
-}
+		natsInstance := &jetstream.NATSInstance{}
+		js, jc := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+		caches := caching.NewRistrettoCache(8*1024*1024, time.Hour, caching.DisableMetrics)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, natsInstance, caches, caching.DisableMetrics)
+		rsAPI.SetFederationAPI(nil, nil)
 
-func TestSingleTransactionOnInput(t *testing.T) {
-	deadline, _ := t.Deadline()
-	if max := time.Now().Add(time.Second * 3); deadline.After(max) {
-		deadline = max
-	}
-	ctx, cancel := context.WithDeadline(context.Background(), deadline)
-	defer cancel()
+		deadline, _ := t.Deadline()
+		if max := time.Now().Add(time.Second * 3); deadline.Before(max) {
+			deadline = max
+		}
+		ctx, cancel := context.WithDeadline(processCtx.Context(), deadline)
+		defer cancel()
+
+		event, err := gomatrixserverlib.NewEventFromTrustedJSON(
+			[]byte(`{"auth_events":[],"content":{"creator":"@neilalexander:dendrite.matrix.org","room_version":"6"},"depth":1,"hashes":{"sha256":"jqOqdNEH5r0NiN3xJtj0u5XUVmRqq9YvGbki1wxxuuM"},"origin":"dendrite.matrix.org","origin_server_ts":1644595362726,"prev_events":[],"prev_state":[],"room_id":"!jSZZRknA6GkTBXNP:dendrite.matrix.org","sender":"@neilalexander:dendrite.matrix.org","signatures":{"dendrite.matrix.org":{"ed25519:6jB2aB":"bsQXO1wketf1OSe9xlndDIWe71W9KIundc6rBw4KEZdGPW7x4Tv4zDWWvbxDsG64sS2IPWfIm+J0OOozbrWIDw"}},"state_key":"","type":"m.room.create"}`),
+			false, gomatrixserverlib.RoomVersionV6,
+		)
+		if err != nil {
+			t.Fatal(err)
+		}
+		in := api.InputRoomEvent{
+			Kind:  api.KindOutlier, // don't panic if we generate an output event
+			Event: event.Headered(gomatrixserverlib.RoomVersionV6),
+		}
 
-	event, err := gomatrixserverlib.NewEventFromTrustedJSON(
-		[]byte(`{"auth_events":[],"content":{"creator":"@neilalexander:dendrite.matrix.org","room_version":"6"},"depth":1,"hashes":{"sha256":"jqOqdNEH5r0NiN3xJtj0u5XUVmRqq9YvGbki1wxxuuM"},"origin":"dendrite.matrix.org","origin_server_ts":1644595362726,"prev_events":[],"prev_state":[],"room_id":"!jSZZRknA6GkTBXNP:dendrite.matrix.org","sender":"@neilalexander:dendrite.matrix.org","signatures":{"dendrite.matrix.org":{"ed25519:6jB2aB":"bsQXO1wketf1OSe9xlndDIWe71W9KIundc6rBw4KEZdGPW7x4Tv4zDWWvbxDsG64sS2IPWfIm+J0OOozbrWIDw"}},"state_key":"","type":"m.room.create"}`),
-		false, gomatrixserverlib.RoomVersionV6,
-	)
-	if err != nil {
-		t.Fatal(err)
-	}
-	in := api.InputRoomEvent{
-		Kind:  api.KindOutlier, // don't panic if we generate an output event
-		Event: event.Headered(gomatrixserverlib.RoomVersionV6),
-	}
-	cm := sqlutil.NewConnectionManager()
-	db, err := storage.Open(
-		context.Background(), cm,
-		&config.DatabaseOptions{
-			ConnectionString:   "",
-			MaxOpenConnections: 1,
-			MaxIdleConnections: 1,
-		},
-		caching.NewRistrettoCache(8*1024*1024, time.Hour, caching.DisableMetrics),
-	)
-	if err != nil {
-		t.Logf("PostgreSQL not available (%s), skipping", err)
-		t.SkipNow()
-	}
-	inputter := &input.Inputer{
-		DB:         db,
-		JetStream:  js,
-		NATSClient: jc,
-	}
-	res := &api.InputRoomEventsResponse{}
-	inputter.InputRoomEvents(
-		ctx,
-		&api.InputRoomEventsRequest{
-			InputRoomEvents: []api.InputRoomEvent{in},
-			Asynchronous:    false,
-		},
-		res,
-	)
-	// If we fail here then it's because we've hit the test deadline,
-	// so we probably deadlocked
-	if err := res.Err(); err != nil {
-		t.Fatal(err)
-	}
+		inputter := &input.Inputer{
+			JetStream:  js,
+			NATSClient: jc,
+			Cfg:        &cfg.RoomServer,
+		}
+		res := &api.InputRoomEventsResponse{}
+		inputter.InputRoomEvents(
+			ctx,
+			&api.InputRoomEventsRequest{
+				InputRoomEvents: []api.InputRoomEvent{in},
+				Asynchronous:    false,
+			},
+			res,
+		)
+		// If we fail here then it's because we've hit the test deadline,
+		// so we probably deadlocked
+		if err := res.Err(); err != nil {
+			t.Fatal(err)
+		}
+	})
 }
diff --git a/roomserver/roomserver.go b/roomserver/roomserver.go
index 1c55423e..4685f474 100644
--- a/roomserver/roomserver.go
+++ b/roomserver/roomserver.go
@@ -16,29 +16,34 @@ package roomserver
 
 import (
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/sirupsen/logrus"
 
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/roomserver/internal"
 	"github.com/matrix-org/dendrite/roomserver/storage"
-	"github.com/matrix-org/dendrite/setup/base"
 )
 
 // NewInternalAPI returns a concrete implementation of the internal API.
 func NewInternalAPI(
-	base *base.BaseDendrite,
+	processContext *process.ProcessContext,
+	cfg *config.Dendrite,
+	cm sqlutil.Connections,
+	natsInstance *jetstream.NATSInstance,
 	caches caching.RoomServerCaches,
+	enableMetrics bool,
 ) api.RoomserverInternalAPI {
-	cfg := &base.Cfg.RoomServer
-
-	roomserverDB, err := storage.Open(base.ProcessContext.Context(), base.ConnectionManager, &cfg.Database, caches)
+	roomserverDB, err := storage.Open(processContext.Context(), cm, &cfg.RoomServer.Database, caches)
 	if err != nil {
 		logrus.WithError(err).Panicf("failed to connect to room server db")
 	}
 
-	js, nc := base.NATS.Prepare(base.ProcessContext, &cfg.Matrix.JetStream)
+	js, nc := natsInstance.Prepare(processContext, &cfg.Global.JetStream)
 
 	return internal.NewRoomserverAPI(
-		base, roomserverDB, js, nc, caches,
+		processContext, cfg, roomserverDB, js, nc, caches, enableMetrics,
 	)
 }
diff --git a/roomserver/roomserver_test.go b/roomserver/roomserver_test.go
index 1b0b3155..729da15b 100644
--- a/roomserver/roomserver_test.go
+++ b/roomserver/roomserver_test.go
@@ -8,11 +8,12 @@ import (
 	"time"
 
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/stretchr/testify/assert"
 
 	"github.com/matrix-org/dendrite/roomserver/state"
 	"github.com/matrix-org/dendrite/roomserver/types"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/userapi"
 
 	userAPI "github.com/matrix-org/dendrite/userapi/api"
@@ -30,23 +31,14 @@ import (
 	"github.com/matrix-org/dendrite/test/testrig"
 )
 
-func mustCreateDatabase(t *testing.T, dbType test.DBType) (*base.BaseDendrite, storage.Database, func()) {
-	t.Helper()
-	base, close := testrig.CreateBaseDendrite(t, dbType)
-	caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-	db, err := storage.Open(base.ProcessContext.Context(), base.ConnectionManager, &base.Cfg.RoomServer.Database, caches)
-	if err != nil {
-		t.Fatalf("failed to create Database: %v", err)
-	}
-	return base, db, close
-}
-
 func TestUsers(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, close := testrig.CreateBaseDendrite(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
 		defer close()
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		natsInstance := jetstream.NATSInstance{}
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
 		// SetFederationAPI starts the room event input consumer
 		rsAPI.SetFederationAPI(nil, nil)
 
@@ -55,7 +47,7 @@ func TestUsers(t *testing.T) {
 		})
 
 		t.Run("kick users", func(t *testing.T) {
-			usrAPI := userapi.NewInternalAPI(base, rsAPI, nil)
+			usrAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, nil)
 			rsAPI.SetUserAPI(usrAPI)
 			testKickUsers(t, rsAPI, usrAPI)
 		})
@@ -181,11 +173,13 @@ func Test_QueryLeftUsers(t *testing.T) {
 
 	ctx := context.Background()
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, _, close := mustCreateDatabase(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
 		defer close()
 
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		natsInstance := jetstream.NATSInstance{}
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
 		// SetFederationAPI starts the room event input consumer
 		rsAPI.SetFederationAPI(nil, nil)
 		// Create the room
@@ -229,30 +223,35 @@ func TestPurgeRoom(t *testing.T) {
 	ctx := context.Background()
 
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, db, close := mustCreateDatabase(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		natsInstance := jetstream.NATSInstance{}
 		defer close()
+		routers := httputil.NewRouters()
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		db, err := storage.Open(processCtx.Context(), cm, &cfg.RoomServer.Database, caches)
+		if err != nil {
+			t.Fatal(err)
+		}
+		jsCtx, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+		defer jetstream.DeleteAllStreams(jsCtx, &cfg.Global.JetStream)
 
-		jsCtx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
-		defer jetstream.DeleteAllStreams(jsCtx, &base.Cfg.Global.JetStream)
-
-		fedClient := base.CreateFederationClient()
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
-		userAPI := userapi.NewInternalAPI(base, rsAPI, nil)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
+		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, nil)
 
 		// this starts the JetStream consumers
-		syncapi.AddPublicRoutes(base, userAPI, rsAPI, caches)
-		federationapi.NewInternalAPI(base, fedClient, rsAPI, caches, nil, true)
+		syncapi.AddPublicRoutes(processCtx, routers, cfg, cm, &natsInstance, userAPI, rsAPI, caches, caching.DisableMetrics)
+		federationapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, nil, rsAPI, caches, nil, true)
 		rsAPI.SetFederationAPI(nil, nil)
 
 		// Create the room
-		if err := api.SendEvents(ctx, rsAPI, api.KindNew, room.Events(), "test", "test", "test", nil, false); err != nil {
+		if err = api.SendEvents(ctx, rsAPI, api.KindNew, room.Events(), "test", "test", "test", nil, false); err != nil {
 			t.Fatalf("failed to send events: %v", err)
 		}
 
 		// some dummy entries to validate after purging
 		publishResp := &api.PerformPublishResponse{}
-		if err := rsAPI.PerformPublish(ctx, &api.PerformPublishRequest{RoomID: room.ID, Visibility: "public"}, publishResp); err != nil {
+		if err = rsAPI.PerformPublish(ctx, &api.PerformPublishRequest{RoomID: room.ID, Visibility: "public"}, publishResp); err != nil {
 			t.Fatal(err)
 		}
 		if publishResp.Error != nil {
@@ -340,7 +339,7 @@ func TestPurgeRoom(t *testing.T) {
 				t.Fatalf("test timed out after %s", timeout)
 			}
 			sum = 0
-			consumerCh := jsCtx.Consumers(base.Cfg.Global.JetStream.Prefixed(jetstream.OutputRoomEvent))
+			consumerCh := jsCtx.Consumers(cfg.Global.JetStream.Prefixed(jetstream.OutputRoomEvent))
 			for x := range consumerCh {
 				sum += x.NumAckPending
 			}
@@ -508,8 +507,14 @@ func TestRedaction(t *testing.T) {
 
 	ctx := context.Background()
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		_, db, close := mustCreateDatabase(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
 		defer close()
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		db, err := storage.Open(processCtx.Context(), cm, &cfg.RoomServer.Database, caches)
+		if err != nil {
+			t.Fatal(err)
+		}
 
 		for _, tc := range testCases {
 			t.Run(tc.name, func(t *testing.T) {
diff --git a/roomserver/storage/shared/storage_test.go b/roomserver/storage/shared/storage_test.go
index 684e80b8..941e8480 100644
--- a/roomserver/storage/shared/storage_test.go
+++ b/roomserver/storage/shared/storage_test.go
@@ -15,14 +15,12 @@ import (
 	"github.com/matrix-org/dendrite/roomserver/storage/tables"
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/test"
-	"github.com/matrix-org/dendrite/test/testrig"
 )
 
 func mustCreateRoomserverDatabase(t *testing.T, dbType test.DBType) (*shared.Database, func()) {
 	t.Helper()
 
 	connStr, clearDB := test.PrepareDBConnectionString(t, dbType)
-	base, _, _ := testrig.Base(nil)
 	dbOpts := &config.DatabaseOptions{ConnectionString: config.DataSource(connStr)}
 
 	db, err := sqlutil.Open(dbOpts, sqlutil.NewExclusiveWriter())
@@ -61,8 +59,6 @@ func mustCreateRoomserverDatabase(t *testing.T, dbType test.DBType) (*shared.Dat
 			Writer:          sqlutil.NewExclusiveWriter(),
 			Cache:           cache,
 		}, func() {
-			err := base.Close()
-			assert.NoError(t, err)
 			clearDB()
 			err = db.Close()
 			assert.NoError(t, err)
diff --git a/setup/base/base.go b/setup/base/base.go
index 8c9b06d0..e5fd6fed 100644
--- a/setup/base/base.go
+++ b/setup/base/base.go
@@ -22,30 +22,24 @@ import (
 	"errors"
 	"fmt"
 	"html/template"
-	"io"
 	"io/fs"
 	"net"
 	"net/http"
 	_ "net/http/pprof"
 	"os"
 	"os/signal"
-	"sync"
 	"syscall"
 	"time"
 
-	"github.com/getsentry/sentry-go"
 	sentryhttp "github.com/getsentry/sentry-go/http"
-	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"go.uber.org/atomic"
 
-	"github.com/matrix-org/dendrite/internal"
-	"github.com/matrix-org/dendrite/internal/httputil"
-	"github.com/matrix-org/dendrite/internal/sqlutil"
-
 	"github.com/gorilla/mux"
 	"github.com/kardianos/minwinsvc"
+	"github.com/matrix-org/dendrite/internal"
+	"github.com/matrix-org/dendrite/internal/httputil"
 
 	"github.com/sirupsen/logrus"
 
@@ -56,154 +50,22 @@ import (
 //go:embed static/*.gotmpl
 var staticContent embed.FS
 
-// BaseDendrite is a base for creating new instances of dendrite. It parses
-// command line flags and config, and exposes methods for creating various
-// resources. All errors are handled by logging then exiting, so all methods
-// should only be used during start up.
-// Must be closed when shutting down.
-type BaseDendrite struct {
-	*process.ProcessContext
-	tracerCloser      io.Closer
-	Routers           httputil.Routers
-	NATS              *jetstream.NATSInstance
-	Cfg               *config.Dendrite
-	DNSCache          *gomatrixserverlib.DNSCache
-	ConnectionManager sqlutil.Connections
-	EnableMetrics     bool
-	startupLock       sync.Mutex
-}
-
 const HTTPServerTimeout = time.Minute * 5
 
-type BaseDendriteOptions int
-
-const (
-	DisableMetrics BaseDendriteOptions = iota
-)
-
-// NewBaseDendrite creates a new instance to be used by a component.
-func NewBaseDendrite(cfg *config.Dendrite, options ...BaseDendriteOptions) *BaseDendrite {
-	platformSanityChecks()
-	enableMetrics := true
-	for _, opt := range options {
-		switch opt {
-		case DisableMetrics:
-			enableMetrics = false
-		}
-	}
-
-	configErrors := &config.ConfigErrors{}
-	cfg.Verify(configErrors)
-	if len(*configErrors) > 0 {
-		for _, err := range *configErrors {
-			logrus.Errorf("Configuration error: %s", err)
-		}
-		logrus.Fatalf("Failed to start due to configuration errors")
-	}
-
-	internal.SetupStdLogging()
-	internal.SetupHookLogging(cfg.Logging)
-	internal.SetupPprof()
-
-	logrus.Infof("Dendrite version %s", internal.VersionString())
-
-	if !cfg.ClientAPI.RegistrationDisabled && cfg.ClientAPI.OpenRegistrationWithoutVerificationEnabled {
-		logrus.Warn("Open registration is enabled")
-	}
-
-	closer, err := cfg.SetupTracing()
-	if err != nil {
-		logrus.WithError(err).Panicf("failed to start opentracing")
-	}
-
-	if cfg.Global.Sentry.Enabled {
-		logrus.Info("Setting up Sentry for debugging...")
-		err = sentry.Init(sentry.ClientOptions{
-			Dsn:              cfg.Global.Sentry.DSN,
-			Environment:      cfg.Global.Sentry.Environment,
-			Debug:            true,
-			ServerName:       string(cfg.Global.ServerName),
-			Release:          "dendrite@" + internal.VersionString(),
-			AttachStacktrace: true,
-		})
-		if err != nil {
-			logrus.WithError(err).Panic("failed to start Sentry")
-		}
-	}
-
-	var dnsCache *gomatrixserverlib.DNSCache
-	if cfg.Global.DNSCache.Enabled {
-		dnsCache = gomatrixserverlib.NewDNSCache(
-			cfg.Global.DNSCache.CacheSize,
-			cfg.Global.DNSCache.CacheLifetime,
-		)
-		logrus.Infof(
-			"DNS cache enabled (size %d, lifetime %s)",
-			cfg.Global.DNSCache.CacheSize,
-			cfg.Global.DNSCache.CacheLifetime,
-		)
-	}
-
-	// If we're in monolith mode, we'll set up a global pool of database
-	// connections. A component is welcome to use this pool if they don't
-	// have a separate database config of their own.
-	cm := sqlutil.NewConnectionManager()
-	if cfg.Global.DatabaseOptions.ConnectionString != "" {
-		if cfg.Global.DatabaseOptions.ConnectionString.IsSQLite() {
-			logrus.Panic("Using a global database connection pool is not supported with SQLite databases")
-		}
-		_, _, err := cm.Connection(&cfg.Global.DatabaseOptions)
-		if err != nil {
-			logrus.WithError(err).Panic("Failed to set up global database connections")
-		}
-		logrus.Debug("Using global database connection pool")
-	}
-
-	// Ideally we would only use SkipClean on routes which we know can allow '/' but due to
-	// https://github.com/gorilla/mux/issues/460 we have to attach this at the top router.
-	// When used in conjunction with UseEncodedPath() we get the behaviour we want when parsing
-	// path parameters:
-	// /foo/bar%2Fbaz    == [foo, bar%2Fbaz]  (from UseEncodedPath)
-	// /foo/bar%2F%2Fbaz == [foo, bar%2F%2Fbaz] (from SkipClean)
-	// In particular, rooms v3 event IDs are not urlsafe and can include '/' and because they
-	// are randomly generated it results in flakey tests.
-	// We need to be careful with media APIs if they read from a filesystem to make sure they
-	// are not inadvertently reading paths without cleaning, else this could introduce a
-	// directory traversal attack e.g /../../../etc/passwd
-
-	return &BaseDendrite{
-		ProcessContext:    process.NewProcessContext(),
-		tracerCloser:      closer,
-		Cfg:               cfg,
-		DNSCache:          dnsCache,
-		Routers:           httputil.NewRouters(),
-		NATS:              &jetstream.NATSInstance{},
-		ConnectionManager: cm,
-		EnableMetrics:     enableMetrics,
-	}
-}
-
-// Close implements io.Closer
-func (b *BaseDendrite) Close() error {
-	b.ProcessContext.ShutdownDendrite()
-	b.ProcessContext.WaitForShutdown()
-	return b.tracerCloser.Close()
-}
-
 // CreateClient creates a new client (normally used for media fetch requests).
 // Should only be called once per component.
-func (b *BaseDendrite) CreateClient() *gomatrixserverlib.Client {
-	if b.Cfg.Global.DisableFederation {
+func CreateClient(cfg *config.Dendrite, dnsCache *gomatrixserverlib.DNSCache) *gomatrixserverlib.Client {
+	if cfg.Global.DisableFederation {
 		return gomatrixserverlib.NewClient(
 			gomatrixserverlib.WithTransport(noOpHTTPTransport),
 		)
 	}
 	opts := []gomatrixserverlib.ClientOption{
-		gomatrixserverlib.WithSkipVerify(b.Cfg.FederationAPI.DisableTLSValidation),
+		gomatrixserverlib.WithSkipVerify(cfg.FederationAPI.DisableTLSValidation),
 		gomatrixserverlib.WithWellKnownSRVLookups(true),
 	}
-	if b.Cfg.Global.DNSCache.Enabled {
-		opts = append(opts, gomatrixserverlib.WithDNSCache(b.DNSCache))
+	if cfg.Global.DNSCache.Enabled && dnsCache != nil {
+		opts = append(opts, gomatrixserverlib.WithDNSCache(dnsCache))
 	}
 	client := gomatrixserverlib.NewClient(opts...)
 	client.SetUserAgent(fmt.Sprintf("Dendrite/%s", internal.VersionString()))
@@ -212,20 +74,20 @@ func (b *BaseDendrite) CreateClient() *gomatrixserverlib.Client {
 
 // CreateFederationClient creates a new federation client. Should only be called
 // once per component.
-func (b *BaseDendrite) CreateFederationClient() *gomatrixserverlib.FederationClient {
-	identities := b.Cfg.Global.SigningIdentities()
-	if b.Cfg.Global.DisableFederation {
+func CreateFederationClient(cfg *config.Dendrite, dnsCache *gomatrixserverlib.DNSCache) *gomatrixserverlib.FederationClient {
+	identities := cfg.Global.SigningIdentities()
+	if cfg.Global.DisableFederation {
 		return gomatrixserverlib.NewFederationClient(
 			identities, gomatrixserverlib.WithTransport(noOpHTTPTransport),
 		)
 	}
 	opts := []gomatrixserverlib.ClientOption{
 		gomatrixserverlib.WithTimeout(time.Minute * 5),
-		gomatrixserverlib.WithSkipVerify(b.Cfg.FederationAPI.DisableTLSValidation),
-		gomatrixserverlib.WithKeepAlives(!b.Cfg.FederationAPI.DisableHTTPKeepalives),
+		gomatrixserverlib.WithSkipVerify(cfg.FederationAPI.DisableTLSValidation),
+		gomatrixserverlib.WithKeepAlives(!cfg.FederationAPI.DisableHTTPKeepalives),
 	}
-	if b.Cfg.Global.DNSCache.Enabled {
-		opts = append(opts, gomatrixserverlib.WithDNSCache(b.DNSCache))
+	if cfg.Global.DNSCache.Enabled {
+		opts = append(opts, gomatrixserverlib.WithDNSCache(dnsCache))
 	}
 	client := gomatrixserverlib.NewFederationClient(
 		identities, opts...,
@@ -234,12 +96,12 @@ func (b *BaseDendrite) CreateFederationClient() *gomatrixserverlib.FederationCli
 	return client
 }
 
-func (b *BaseDendrite) ConfigureAdminEndpoints() {
-	b.Routers.DendriteAdmin.HandleFunc("/monitor/up", func(w http.ResponseWriter, r *http.Request) {
+func ConfigureAdminEndpoints(processContext *process.ProcessContext, routers httputil.Routers) {
+	routers.DendriteAdmin.HandleFunc("/monitor/up", func(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(200)
 	})
-	b.Routers.DendriteAdmin.HandleFunc("/monitor/health", func(w http.ResponseWriter, r *http.Request) {
-		if isDegraded, reasons := b.ProcessContext.IsDegraded(); isDegraded {
+	routers.DendriteAdmin.HandleFunc("/monitor/health", func(w http.ResponseWriter, r *http.Request) {
+		if isDegraded, reasons := processContext.IsDegraded(); isDegraded {
 			w.WriteHeader(503)
 			_ = json.NewEncoder(w).Encode(struct {
 				Warnings []string `json:"warnings"`
@@ -254,14 +116,13 @@ func (b *BaseDendrite) ConfigureAdminEndpoints() {
 
 // SetupAndServeHTTP sets up the HTTP server to serve client & federation APIs
 // and adds a prometheus handler under /_dendrite/metrics.
-func (b *BaseDendrite) SetupAndServeHTTP(
+func SetupAndServeHTTP(
+	processContext *process.ProcessContext,
+	cfg *config.Dendrite,
+	routers httputil.Routers,
 	externalHTTPAddr config.ServerAddress,
 	certFile, keyFile *string,
 ) {
-	// Manually unlocked right before actually serving requests,
-	// as we don't return from this method (defer doesn't work).
-	b.startupLock.Lock()
-
 	externalRouter := mux.NewRouter().SkipClean(true).UseEncodedPath()
 
 	externalServ := &http.Server{
@@ -269,7 +130,7 @@ func (b *BaseDendrite) SetupAndServeHTTP(
 		WriteTimeout: HTTPServerTimeout,
 		Handler:      externalRouter,
 		BaseContext: func(_ net.Listener) context.Context {
-			return b.ProcessContext.Context()
+			return processContext.Context()
 		},
 	}
 
@@ -278,11 +139,11 @@ func (b *BaseDendrite) SetupAndServeHTTP(
 		http.Redirect(w, r, httputil.PublicStaticPath, http.StatusFound)
 	})
 
-	if b.Cfg.Global.Metrics.Enabled {
-		externalRouter.Handle("/metrics", httputil.WrapHandlerInBasicAuth(promhttp.Handler(), b.Cfg.Global.Metrics.BasicAuth))
+	if cfg.Global.Metrics.Enabled {
+		externalRouter.Handle("/metrics", httputil.WrapHandlerInBasicAuth(promhttp.Handler(), cfg.Global.Metrics.BasicAuth))
 	}
 
-	b.ConfigureAdminEndpoints()
+	ConfigureAdminEndpoints(processContext, routers)
 
 	// Parse and execute the landing page template
 	tmpl := template.Must(template.ParseFS(staticContent, "static/*.gotmpl"))
@@ -293,38 +154,36 @@ func (b *BaseDendrite) SetupAndServeHTTP(
 		logrus.WithError(err).Fatal("failed to execute landing page template")
 	}
 
-	b.Routers.Static.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+	routers.Static.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 		_, _ = w.Write(landingPage.Bytes())
 	})
 
 	var clientHandler http.Handler
-	clientHandler = b.Routers.Client
-	if b.Cfg.Global.Sentry.Enabled {
+	clientHandler = routers.Client
+	if cfg.Global.Sentry.Enabled {
 		sentryHandler := sentryhttp.New(sentryhttp.Options{
 			Repanic: true,
 		})
-		clientHandler = sentryHandler.Handle(b.Routers.Client)
+		clientHandler = sentryHandler.Handle(routers.Client)
 	}
 	var federationHandler http.Handler
-	federationHandler = b.Routers.Federation
-	if b.Cfg.Global.Sentry.Enabled {
+	federationHandler = routers.Federation
+	if cfg.Global.Sentry.Enabled {
 		sentryHandler := sentryhttp.New(sentryhttp.Options{
 			Repanic: true,
 		})
-		federationHandler = sentryHandler.Handle(b.Routers.Federation)
+		federationHandler = sentryHandler.Handle(routers.Federation)
 	}
-	externalRouter.PathPrefix(httputil.DendriteAdminPathPrefix).Handler(b.Routers.DendriteAdmin)
+	externalRouter.PathPrefix(httputil.DendriteAdminPathPrefix).Handler(routers.DendriteAdmin)
 	externalRouter.PathPrefix(httputil.PublicClientPathPrefix).Handler(clientHandler)
-	if !b.Cfg.Global.DisableFederation {
-		externalRouter.PathPrefix(httputil.PublicKeyPathPrefix).Handler(b.Routers.Keys)
+	if !cfg.Global.DisableFederation {
+		externalRouter.PathPrefix(httputil.PublicKeyPathPrefix).Handler(routers.Keys)
 		externalRouter.PathPrefix(httputil.PublicFederationPathPrefix).Handler(federationHandler)
 	}
-	externalRouter.PathPrefix(httputil.SynapseAdminPathPrefix).Handler(b.Routers.SynapseAdmin)
-	externalRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(b.Routers.Media)
-	externalRouter.PathPrefix(httputil.PublicWellKnownPrefix).Handler(b.Routers.WellKnown)
-	externalRouter.PathPrefix(httputil.PublicStaticPath).Handler(b.Routers.Static)
-
-	b.startupLock.Unlock()
+	externalRouter.PathPrefix(httputil.SynapseAdminPathPrefix).Handler(routers.SynapseAdmin)
+	externalRouter.PathPrefix(httputil.PublicMediaPathPrefix).Handler(routers.Media)
+	externalRouter.PathPrefix(httputil.PublicWellKnownPrefix).Handler(routers.WellKnown)
+	externalRouter.PathPrefix(httputil.PublicStaticPath).Handler(routers.Static)
 
 	externalRouter.NotFoundHandler = httputil.NotFoundCORSHandler
 	externalRouter.MethodNotAllowedHandler = httputil.NotAllowedHandler
@@ -333,10 +192,10 @@ func (b *BaseDendrite) SetupAndServeHTTP(
 		go func() {
 			var externalShutdown atomic.Bool // RegisterOnShutdown can be called more than once
 			logrus.Infof("Starting external listener on %s", externalServ.Addr)
-			b.ProcessContext.ComponentStarted()
+			processContext.ComponentStarted()
 			externalServ.RegisterOnShutdown(func() {
 				if externalShutdown.CompareAndSwap(false, true) {
-					b.ProcessContext.ComponentFinished()
+					processContext.ComponentFinished()
 					logrus.Infof("Stopped external HTTP listener")
 				}
 			})
@@ -378,32 +237,27 @@ func (b *BaseDendrite) SetupAndServeHTTP(
 		}()
 	}
 
-	minwinsvc.SetOnExit(b.ProcessContext.ShutdownDendrite)
-	<-b.ProcessContext.WaitForShutdown()
+	minwinsvc.SetOnExit(processContext.ShutdownDendrite)
+	<-processContext.WaitForShutdown()
 
 	logrus.Infof("Stopping HTTP listeners")
 	_ = externalServ.Shutdown(context.Background())
 	logrus.Infof("Stopped HTTP listeners")
 }
 
-func (b *BaseDendrite) WaitForShutdown() {
+func WaitForShutdown(processCtx *process.ProcessContext) {
 	sigs := make(chan os.Signal, 1)
 	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
 	select {
 	case <-sigs:
-	case <-b.ProcessContext.WaitForShutdown():
+	case <-processCtx.WaitForShutdown():
 	}
 	signal.Reset(syscall.SIGINT, syscall.SIGTERM)
 
 	logrus.Warnf("Shutdown signal received")
 
-	b.ProcessContext.ShutdownDendrite()
-	b.ProcessContext.WaitForComponentsToFinish()
-	if b.Cfg.Global.Sentry.Enabled {
-		if !sentry.Flush(time.Second * 5) {
-			logrus.Warnf("failed to flush all Sentry events!")
-		}
-	}
+	processCtx.ShutdownDendrite()
+	processCtx.WaitForComponentsToFinish()
 
 	logrus.Warnf("Dendrite is exiting now")
 }
diff --git a/setup/base/base_test.go b/setup/base/base_test.go
index aa406db2..bba967b9 100644
--- a/setup/base/base_test.go
+++ b/setup/base/base_test.go
@@ -13,8 +13,10 @@ import (
 	"time"
 
 	"github.com/matrix-org/dendrite/internal"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	basepkg "github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
-	"github.com/matrix-org/dendrite/test/testrig"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -30,8 +32,10 @@ func TestLandingPage_Tcp(t *testing.T) {
 	})
 	assert.NoError(t, err)
 
-	b, _, _ := testrig.Base(nil)
-	defer b.Close()
+	processCtx := process.NewProcessContext()
+	routers := httputil.NewRouters()
+	cfg := config.Dendrite{}
+	cfg.Defaults(config.DefaultOpts{Generate: true, SingleDatabase: true})
 
 	// hack: create a server and close it immediately, just to get a random port assigned
 	s := httptest.NewServer(nil)
@@ -40,7 +44,7 @@ func TestLandingPage_Tcp(t *testing.T) {
 	// start base with the listener and wait for it to be started
 	address, err := config.HTTPAddress(s.URL)
 	assert.NoError(t, err)
-	go b.SetupAndServeHTTP(address, nil, nil)
+	go basepkg.SetupAndServeHTTP(processCtx, &cfg, routers, address, nil, nil)
 	time.Sleep(time.Millisecond * 10)
 
 	// When hitting /, we should be redirected to /_matrix/static, which should contain the landing page
@@ -70,15 +74,17 @@ func TestLandingPage_UnixSocket(t *testing.T) {
 	})
 	assert.NoError(t, err)
 
-	b, _, _ := testrig.Base(nil)
-	defer b.Close()
+	processCtx := process.NewProcessContext()
+	routers := httputil.NewRouters()
+	cfg := config.Dendrite{}
+	cfg.Defaults(config.DefaultOpts{Generate: true, SingleDatabase: true})
 
 	tempDir := t.TempDir()
 	socket := path.Join(tempDir, "socket")
 	// start base with the listener and wait for it to be started
 	address, err := config.UnixSocketAddress(socket, "755")
 	assert.NoError(t, err)
-	go b.SetupAndServeHTTP(address, nil, nil)
+	go basepkg.SetupAndServeHTTP(processCtx, &cfg, routers, address, nil, nil)
 	time.Sleep(time.Millisecond * 100)
 
 	client := &http.Client{
diff --git a/setup/base/sanity_other.go b/setup/base/sanity_other.go
index 48fe6e1f..d35c2e87 100644
--- a/setup/base/sanity_other.go
+++ b/setup/base/sanity_other.go
@@ -3,6 +3,6 @@
 
 package base
 
-func platformSanityChecks() {
+func PlatformSanityChecks() {
 	// Nothing to do yet.
 }
diff --git a/setup/base/sanity_unix.go b/setup/base/sanity_unix.go
index c630d3f1..0403df1a 100644
--- a/setup/base/sanity_unix.go
+++ b/setup/base/sanity_unix.go
@@ -9,7 +9,7 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-func platformSanityChecks() {
+func PlatformSanityChecks() {
 	// Dendrite needs a relatively high number of file descriptors in order
 	// to function properly, particularly when federating with lots of servers.
 	// If we run out of file descriptors, we might run into problems accessing
diff --git a/setup/jetstream/nats.go b/setup/jetstream/nats.go
index 48683789..06a58d54 100644
--- a/setup/jetstream/nats.go
+++ b/setup/jetstream/nats.go
@@ -56,7 +56,9 @@ func (s *NATSInstance) Prepare(process *process.ProcessContext, cfg *config.JetS
 		if err != nil {
 			panic(err)
 		}
-		s.SetLogger(NewLogAdapter(), opts.Debug, opts.Trace)
+		if !cfg.NoLog {
+			s.SetLogger(NewLogAdapter(), opts.Debug, opts.Trace)
+		}
 		go func() {
 			process.ComponentStarted()
 			s.Start()
diff --git a/setup/monolith.go b/setup/monolith.go
index 174eba68..51e40070 100644
--- a/setup/monolith.go
+++ b/setup/monolith.go
@@ -21,13 +21,16 @@ import (
 	"github.com/matrix-org/dendrite/federationapi"
 	federationAPI "github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/internal/transactions"
 	"github.com/matrix-org/dendrite/mediaapi"
 	"github.com/matrix-org/dendrite/relayapi"
 	relayAPI "github.com/matrix-org/dendrite/relayapi/api"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/dendrite/syncapi"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -53,23 +56,31 @@ type Monolith struct {
 }
 
 // AddAllPublicRoutes attaches all public paths to the given router
-func (m *Monolith) AddAllPublicRoutes(base *base.BaseDendrite, caches *caching.Caches) {
+func (m *Monolith) AddAllPublicRoutes(
+	processCtx *process.ProcessContext,
+	cfg *config.Dendrite,
+	routers httputil.Routers,
+	cm sqlutil.Connections,
+	natsInstance *jetstream.NATSInstance,
+	caches *caching.Caches,
+	enableMetrics bool,
+) {
 	userDirectoryProvider := m.ExtUserDirectoryProvider
 	if userDirectoryProvider == nil {
 		userDirectoryProvider = m.UserAPI
 	}
 	clientapi.AddPublicRoutes(
-		base, m.FedClient, m.RoomserverAPI, m.AppserviceAPI, transactions.New(),
+		processCtx, routers, cfg, natsInstance, m.FedClient, m.RoomserverAPI, m.AppserviceAPI, transactions.New(),
 		m.FederationAPI, m.UserAPI, userDirectoryProvider,
-		m.ExtPublicRoomsProvider,
+		m.ExtPublicRoomsProvider, enableMetrics,
 	)
 	federationapi.AddPublicRoutes(
-		base, m.UserAPI, m.FedClient, m.KeyRing, m.RoomserverAPI, m.FederationAPI, nil,
+		processCtx, routers, cfg, natsInstance, m.UserAPI, m.FedClient, m.KeyRing, m.RoomserverAPI, m.FederationAPI, nil, enableMetrics,
 	)
-	mediaapi.AddPublicRoutes(base, m.UserAPI, m.Client)
-	syncapi.AddPublicRoutes(base, m.UserAPI, m.RoomserverAPI, caches)
+	mediaapi.AddPublicRoutes(routers.Media, cm, cfg, m.UserAPI, m.Client)
+	syncapi.AddPublicRoutes(processCtx, routers, cfg, cm, natsInstance, m.UserAPI, m.RoomserverAPI, caches, enableMetrics)
 
 	if m.RelayAPI != nil {
-		relayapi.AddPublicRoutes(base, m.KeyRing, m.RelayAPI)
+		relayapi.AddPublicRoutes(routers, cfg, m.KeyRing, m.RelayAPI)
 	}
 }
diff --git a/setup/mscs/msc2836/msc2836.go b/setup/mscs/msc2836/msc2836.go
index 7c1e0fc6..92248bc1 100644
--- a/setup/mscs/msc2836/msc2836.go
+++ b/setup/mscs/msc2836/msc2836.go
@@ -31,8 +31,9 @@ import (
 	fs "github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/internal/hooks"
 	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	roomserver "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
+	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
@@ -99,10 +100,10 @@ func toClientResponse(res *MSC2836EventRelationshipsResponse) *EventRelationship
 
 // Enable this MSC
 func Enable(
-	base *base.BaseDendrite, rsAPI roomserver.RoomserverInternalAPI, fsAPI fs.FederationInternalAPI,
+	cfg *config.Dendrite, cm sqlutil.Connections, routers httputil.Routers, rsAPI roomserver.RoomserverInternalAPI, fsAPI fs.FederationInternalAPI,
 	userAPI userapi.UserInternalAPI, keyRing gomatrixserverlib.JSONVerifier,
 ) error {
-	db, err := NewDatabase(base.ConnectionManager, &base.Cfg.MSCs.Database)
+	db, err := NewDatabase(cm, &cfg.MSCs.Database)
 	if err != nil {
 		return fmt.Errorf("cannot enable MSC2836: %w", err)
 	}
@@ -125,14 +126,14 @@ func Enable(
 		}
 	})
 
-	base.Routers.Client.Handle("/unstable/event_relationships",
+	routers.Client.Handle("/unstable/event_relationships",
 		httputil.MakeAuthAPI("eventRelationships", userAPI, eventRelationshipHandler(db, rsAPI, fsAPI)),
 	).Methods(http.MethodPost, http.MethodOptions)
 
-	base.Routers.Federation.Handle("/unstable/event_relationships", httputil.MakeExternalAPI(
+	routers.Federation.Handle("/unstable/event_relationships", httputil.MakeExternalAPI(
 		"msc2836_event_relationships", func(req *http.Request) util.JSONResponse {
 			fedReq, errResp := gomatrixserverlib.VerifyHTTPRequest(
-				req, time.Now(), base.Cfg.Global.ServerName, base.Cfg.Global.IsLocalServerName, keyRing,
+				req, time.Now(), cfg.Global.ServerName, cfg.Global.IsLocalServerName, keyRing,
 			)
 			if fedReq == nil {
 				return errResp
diff --git a/setup/mscs/msc2836/msc2836_test.go b/setup/mscs/msc2836/msc2836_test.go
index 24e96f93..bfcabef6 100644
--- a/setup/mscs/msc2836/msc2836_test.go
+++ b/setup/mscs/msc2836/msc2836_test.go
@@ -15,13 +15,13 @@ import (
 	"time"
 
 	"github.com/gorilla/mux"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/gomatrixserverlib"
 
 	"github.com/matrix-org/dendrite/internal/hooks"
 	"github.com/matrix-org/dendrite/internal/httputil"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
 	roomserver "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/setup/mscs/msc2836"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
@@ -555,21 +555,18 @@ func injectEvents(t *testing.T, userAPI userapi.UserInternalAPI, rsAPI roomserve
 	cfg.Global.ServerName = "localhost"
 	cfg.MSCs.Database.ConnectionString = "file:msc2836_test.db"
 	cfg.MSCs.MSCs = []string{"msc2836"}
-	cm := sqlutil.NewConnectionManager()
-	base := &base.BaseDendrite{
-		Cfg:               cfg,
-		Routers:           httputil.NewRouters(),
-		ConnectionManager: cm,
-	}
 
-	err := msc2836.Enable(base, rsAPI, nil, userAPI, nil)
+	processCtx := process.NewProcessContext()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	routers := httputil.NewRouters()
+	err := msc2836.Enable(cfg, cm, routers, rsAPI, nil, userAPI, nil)
 	if err != nil {
 		t.Fatalf("failed to enable MSC2836: %s", err)
 	}
 	for _, ev := range events {
 		hooks.Run(hooks.KindNewEventPersisted, ev)
 	}
-	return base.Routers.Client
+	return routers.Client
 }
 
 type fledglingEvent struct {
diff --git a/setup/mscs/msc2946/msc2946.go b/setup/mscs/msc2946/msc2946.go
index b4b93ff3..d33897b9 100644
--- a/setup/mscs/msc2946/msc2946.go
+++ b/setup/mscs/msc2946/msc2946.go
@@ -33,7 +33,7 @@ import (
 	"github.com/matrix-org/dendrite/internal/caching"
 	"github.com/matrix-org/dendrite/internal/httputil"
 	roomserver "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
+	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
@@ -54,17 +54,17 @@ type MSC2946ClientResponse struct {
 
 // Enable this MSC
 func Enable(
-	base *base.BaseDendrite, rsAPI roomserver.RoomserverInternalAPI, userAPI userapi.UserInternalAPI,
+	cfg *config.Dendrite, routers httputil.Routers, rsAPI roomserver.RoomserverInternalAPI, userAPI userapi.UserInternalAPI,
 	fsAPI fs.FederationInternalAPI, keyRing gomatrixserverlib.JSONVerifier, cache caching.SpaceSummaryRoomsCache,
 ) error {
-	clientAPI := httputil.MakeAuthAPI("spaces", userAPI, spacesHandler(rsAPI, fsAPI, cache, base.Cfg.Global.ServerName), httputil.WithAllowGuests())
-	base.Routers.Client.Handle("/v1/rooms/{roomID}/hierarchy", clientAPI).Methods(http.MethodGet, http.MethodOptions)
-	base.Routers.Client.Handle("/unstable/org.matrix.msc2946/rooms/{roomID}/hierarchy", clientAPI).Methods(http.MethodGet, http.MethodOptions)
+	clientAPI := httputil.MakeAuthAPI("spaces", userAPI, spacesHandler(rsAPI, fsAPI, cache, cfg.Global.ServerName), httputil.WithAllowGuests())
+	routers.Client.Handle("/v1/rooms/{roomID}/hierarchy", clientAPI).Methods(http.MethodGet, http.MethodOptions)
+	routers.Client.Handle("/unstable/org.matrix.msc2946/rooms/{roomID}/hierarchy", clientAPI).Methods(http.MethodGet, http.MethodOptions)
 
 	fedAPI := httputil.MakeExternalAPI(
 		"msc2946_fed_spaces", func(req *http.Request) util.JSONResponse {
 			fedReq, errResp := gomatrixserverlib.VerifyHTTPRequest(
-				req, time.Now(), base.Cfg.Global.ServerName, base.Cfg.Global.IsLocalServerName, keyRing,
+				req, time.Now(), cfg.Global.ServerName, cfg.Global.IsLocalServerName, keyRing,
 			)
 			if fedReq == nil {
 				return errResp
@@ -75,11 +75,11 @@ func Enable(
 				return util.ErrorResponse(err)
 			}
 			roomID := params["roomID"]
-			return federatedSpacesHandler(req.Context(), fedReq, roomID, cache, rsAPI, fsAPI, base.Cfg.Global.ServerName)
+			return federatedSpacesHandler(req.Context(), fedReq, roomID, cache, rsAPI, fsAPI, cfg.Global.ServerName)
 		},
 	)
-	base.Routers.Federation.Handle("/unstable/org.matrix.msc2946/hierarchy/{roomID}", fedAPI).Methods(http.MethodGet)
-	base.Routers.Federation.Handle("/v1/hierarchy/{roomID}", fedAPI).Methods(http.MethodGet)
+	routers.Federation.Handle("/unstable/org.matrix.msc2946/hierarchy/{roomID}", fedAPI).Methods(http.MethodGet)
+	routers.Federation.Handle("/v1/hierarchy/{roomID}", fedAPI).Methods(http.MethodGet)
 	return nil
 }
 
diff --git a/setup/mscs/mscs.go b/setup/mscs/mscs.go
index b58c800b..9cd5eed1 100644
--- a/setup/mscs/mscs.go
+++ b/setup/mscs/mscs.go
@@ -20,30 +20,32 @@ import (
 	"fmt"
 
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/setup"
-	"github.com/matrix-org/dendrite/setup/base"
+	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/setup/mscs/msc2836"
 	"github.com/matrix-org/dendrite/setup/mscs/msc2946"
 	"github.com/matrix-org/util"
 )
 
 // Enable MSCs - returns an error on unknown MSCs
-func Enable(base *base.BaseDendrite, monolith *setup.Monolith, caches *caching.Caches) error {
-	for _, msc := range base.Cfg.MSCs.MSCs {
+func Enable(cfg *config.Dendrite, cm sqlutil.Connections, routers httputil.Routers, monolith *setup.Monolith, caches *caching.Caches) error {
+	for _, msc := range cfg.MSCs.MSCs {
 		util.GetLogger(context.Background()).WithField("msc", msc).Info("Enabling MSC")
-		if err := EnableMSC(base, monolith, msc, caches); err != nil {
+		if err := EnableMSC(cfg, cm, routers, monolith, msc, caches); err != nil {
 			return err
 		}
 	}
 	return nil
 }
 
-func EnableMSC(base *base.BaseDendrite, monolith *setup.Monolith, msc string, caches *caching.Caches) error {
+func EnableMSC(cfg *config.Dendrite, cm sqlutil.Connections, routers httputil.Routers, monolith *setup.Monolith, msc string, caches *caching.Caches) error {
 	switch msc {
 	case "msc2836":
-		return msc2836.Enable(base, monolith.RoomserverAPI, monolith.FederationAPI, monolith.UserAPI, monolith.KeyRing)
+		return msc2836.Enable(cfg, cm, routers, monolith.RoomserverAPI, monolith.FederationAPI, monolith.UserAPI, monolith.KeyRing)
 	case "msc2946":
-		return msc2946.Enable(base, monolith.RoomserverAPI, monolith.UserAPI, monolith.FederationAPI, monolith.KeyRing, caches)
+		return msc2946.Enable(cfg, routers, monolith.RoomserverAPI, monolith.UserAPI, monolith.FederationAPI, monolith.KeyRing, caches)
 	case "msc2444": // enabled inside federationapi
 	case "msc2753": // enabled inside clientapi
 	default:
diff --git a/syncapi/storage/storage_test.go b/syncapi/storage/storage_test.go
index 9f006490..e81a341f 100644
--- a/syncapi/storage/storage_test.go
+++ b/syncapi/storage/storage_test.go
@@ -22,7 +22,7 @@ var ctx = context.Background()
 
 func MustCreateDatabase(t *testing.T, dbType test.DBType) (storage.Database, func()) {
 	connStr, close := test.PrepareDBConnectionString(t, dbType)
-	cm := sqlutil.NewConnectionManager()
+	cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 	db, err := storage.NewSyncServerDatasource(context.Background(), cm, &config.DatabaseOptions{
 		ConnectionString: config.DataSource(connStr),
 	})
diff --git a/syncapi/syncapi.go b/syncapi/syncapi.go
index e0cc8462..9a27b954 100644
--- a/syncapi/syncapi.go
+++ b/syncapi/syncapi.go
@@ -18,12 +18,15 @@ import (
 	"context"
 
 	"github.com/matrix-org/dendrite/internal/fulltext"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/sirupsen/logrus"
 
 	"github.com/matrix-org/dendrite/internal/caching"
 
 	"github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 
@@ -39,16 +42,19 @@ import (
 // AddPublicRoutes sets up and registers HTTP handlers for the SyncAPI
 // component.
 func AddPublicRoutes(
-	base *base.BaseDendrite,
+	processContext *process.ProcessContext,
+	routers httputil.Routers,
+	dendriteCfg *config.Dendrite,
+	cm sqlutil.Connections,
+	natsInstance *jetstream.NATSInstance,
 	userAPI userapi.SyncUserAPI,
 	rsAPI api.SyncRoomserverAPI,
 	caches caching.LazyLoadCache,
+	enableMetrics bool,
 ) {
-	cfg := &base.Cfg.SyncAPI
+	js, natsClient := natsInstance.Prepare(processContext, &dendriteCfg.Global.JetStream)
 
-	js, natsClient := base.NATS.Prepare(base.ProcessContext, &cfg.Matrix.JetStream)
-
-	syncDB, err := storage.NewSyncServerDatasource(base.Context(), base.ConnectionManager, &cfg.Database)
+	syncDB, err := storage.NewSyncServerDatasource(processContext.Context(), cm, &dendriteCfg.SyncAPI.Database)
 	if err != nil {
 		logrus.WithError(err).Panicf("failed to connect to sync db")
 	}
@@ -62,32 +68,32 @@ func AddPublicRoutes(
 	}
 
 	var fts *fulltext.Search
-	if cfg.Fulltext.Enabled {
-		fts, err = fulltext.New(base.ProcessContext.Context(), cfg.Fulltext)
+	if dendriteCfg.SyncAPI.Fulltext.Enabled {
+		fts, err = fulltext.New(processContext.Context(), dendriteCfg.SyncAPI.Fulltext)
 		if err != nil {
 			logrus.WithError(err).Panicf("failed to create full text")
 		}
-		base.ProcessContext.ComponentStarted()
+		processContext.ComponentStarted()
 	}
 
 	federationPresenceProducer := &producers.FederationAPIPresenceProducer{
-		Topic:     cfg.Matrix.JetStream.Prefixed(jetstream.OutputPresenceEvent),
+		Topic:     dendriteCfg.Global.JetStream.Prefixed(jetstream.OutputPresenceEvent),
 		JetStream: js,
 	}
 	presenceConsumer := consumers.NewPresenceConsumer(
-		base.ProcessContext, cfg, js, natsClient, syncDB,
+		processContext, &dendriteCfg.SyncAPI, js, natsClient, syncDB,
 		notifier, streams.PresenceStreamProvider,
 		userAPI,
 	)
 
-	requestPool := sync.NewRequestPool(syncDB, cfg, userAPI, rsAPI, streams, notifier, federationPresenceProducer, presenceConsumer, base.EnableMetrics)
+	requestPool := sync.NewRequestPool(syncDB, &dendriteCfg.SyncAPI, userAPI, rsAPI, streams, notifier, federationPresenceProducer, presenceConsumer, enableMetrics)
 
 	if err = presenceConsumer.Start(); err != nil {
 		logrus.WithError(err).Panicf("failed to start presence consumer")
 	}
 
 	keyChangeConsumer := consumers.NewOutputKeyChangeEventConsumer(
-		base.ProcessContext, cfg, cfg.Matrix.JetStream.Prefixed(jetstream.OutputKeyChangeEvent),
+		processContext, &dendriteCfg.SyncAPI, dendriteCfg.Global.JetStream.Prefixed(jetstream.OutputKeyChangeEvent),
 		js, rsAPI, syncDB, notifier,
 		streams.DeviceListStreamProvider,
 	)
@@ -96,7 +102,7 @@ func AddPublicRoutes(
 	}
 
 	roomConsumer := consumers.NewOutputRoomEventConsumer(
-		base.ProcessContext, cfg, js, syncDB, notifier, streams.PDUStreamProvider,
+		processContext, &dendriteCfg.SyncAPI, js, syncDB, notifier, streams.PDUStreamProvider,
 		streams.InviteStreamProvider, rsAPI, fts,
 	)
 	if err = roomConsumer.Start(); err != nil {
@@ -104,7 +110,7 @@ func AddPublicRoutes(
 	}
 
 	clientConsumer := consumers.NewOutputClientDataConsumer(
-		base.ProcessContext, cfg, js, natsClient, syncDB, notifier,
+		processContext, &dendriteCfg.SyncAPI, js, natsClient, syncDB, notifier,
 		streams.AccountDataStreamProvider, fts,
 	)
 	if err = clientConsumer.Start(); err != nil {
@@ -112,35 +118,35 @@ func AddPublicRoutes(
 	}
 
 	notificationConsumer := consumers.NewOutputNotificationDataConsumer(
-		base.ProcessContext, cfg, js, syncDB, notifier, streams.NotificationDataStreamProvider,
+		processContext, &dendriteCfg.SyncAPI, js, syncDB, notifier, streams.NotificationDataStreamProvider,
 	)
 	if err = notificationConsumer.Start(); err != nil {
 		logrus.WithError(err).Panicf("failed to start notification data consumer")
 	}
 
 	typingConsumer := consumers.NewOutputTypingEventConsumer(
-		base.ProcessContext, cfg, js, eduCache, notifier, streams.TypingStreamProvider,
+		processContext, &dendriteCfg.SyncAPI, js, eduCache, notifier, streams.TypingStreamProvider,
 	)
 	if err = typingConsumer.Start(); err != nil {
 		logrus.WithError(err).Panicf("failed to start typing consumer")
 	}
 
 	sendToDeviceConsumer := consumers.NewOutputSendToDeviceEventConsumer(
-		base.ProcessContext, cfg, js, syncDB, userAPI, notifier, streams.SendToDeviceStreamProvider,
+		processContext, &dendriteCfg.SyncAPI, js, syncDB, userAPI, notifier, streams.SendToDeviceStreamProvider,
 	)
 	if err = sendToDeviceConsumer.Start(); err != nil {
 		logrus.WithError(err).Panicf("failed to start send-to-device consumer")
 	}
 
 	receiptConsumer := consumers.NewOutputReceiptEventConsumer(
-		base.ProcessContext, cfg, js, syncDB, notifier, streams.ReceiptStreamProvider,
+		processContext, &dendriteCfg.SyncAPI, js, syncDB, notifier, streams.ReceiptStreamProvider,
 	)
 	if err = receiptConsumer.Start(); err != nil {
 		logrus.WithError(err).Panicf("failed to start receipts consumer")
 	}
 
 	routing.Setup(
-		base.Routers.Client, requestPool, syncDB, userAPI,
-		rsAPI, cfg, caches, fts,
+		routers.Client, requestPool, syncDB, userAPI,
+		rsAPI, &dendriteCfg.SyncAPI, caches, fts,
 	)
 }
diff --git a/syncapi/syncapi_test.go b/syncapi/syncapi_test.go
index 13a07865..584782af 100644
--- a/syncapi/syncapi_test.go
+++ b/syncapi/syncapi_test.go
@@ -11,6 +11,9 @@ import (
 	"time"
 
 	"github.com/matrix-org/dendrite/internal/caching"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/nats-io/nats.go"
 	"github.com/tidwall/gjson"
@@ -22,7 +25,6 @@ import (
 	"github.com/matrix-org/dendrite/roomserver"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	rsapi "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/syncapi/types"
 	"github.com/matrix-org/dendrite/test"
@@ -114,14 +116,17 @@ func testSyncAccessTokens(t *testing.T, dbType test.DBType) {
 		AccountType: userapi.AccountTypeUser,
 	}
 
-	base, close := testrig.CreateBaseDendrite(t, dbType)
-	caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
+	cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+	routers := httputil.NewRouters()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+	natsInstance := jetstream.NATSInstance{}
 	defer close()
 
-	jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
-	defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
-	msgs := toNATSMsgs(t, base, room.Events()...)
-	AddPublicRoutes(base, &syncUserAPI{accounts: []userapi.Device{alice}}, &syncRoomserverAPI{rooms: []*test.Room{room}}, caches)
+	jsctx, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+	defer jetstream.DeleteAllStreams(jsctx, &cfg.Global.JetStream)
+	msgs := toNATSMsgs(t, cfg, room.Events()...)
+	AddPublicRoutes(processCtx, routers, cfg, cm, &natsInstance, &syncUserAPI{accounts: []userapi.Device{alice}}, &syncRoomserverAPI{rooms: []*test.Room{room}}, caches, caching.DisableMetrics)
 	testrig.MustPublishMsgs(t, jsctx, msgs...)
 
 	testCases := []struct {
@@ -156,7 +161,7 @@ func testSyncAccessTokens(t *testing.T, dbType test.DBType) {
 		},
 	}
 
-	syncUntil(t, base, alice.AccessToken, false, func(syncBody string) bool {
+	syncUntil(t, routers, alice.AccessToken, false, func(syncBody string) bool {
 		// wait for the last sent eventID to come down sync
 		path := fmt.Sprintf(`rooms.join.%s.timeline.events.#(event_id=="%s")`, room.ID, room.Events()[len(room.Events())-1].EventID())
 		return gjson.Get(syncBody, path).Exists()
@@ -164,7 +169,7 @@ func testSyncAccessTokens(t *testing.T, dbType test.DBType) {
 
 	for _, tc := range testCases {
 		w := httptest.NewRecorder()
-		base.Routers.Client.ServeHTTP(w, tc.req)
+		routers.Client.ServeHTTP(w, tc.req)
 		if w.Code != tc.wantCode {
 			t.Fatalf("%s: got HTTP %d want %d", tc.name, w.Code, tc.wantCode)
 		}
@@ -207,26 +212,29 @@ func testSyncAPICreateRoomSyncEarly(t *testing.T, dbType test.DBType) {
 		AccountType: userapi.AccountTypeUser,
 	}
 
-	base, close := testrig.CreateBaseDendrite(t, dbType)
+	cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+	routers := httputil.NewRouters()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
 	defer close()
+	natsInstance := jetstream.NATSInstance{}
 
-	jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
-	defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
+	jsctx, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+	defer jetstream.DeleteAllStreams(jsctx, &cfg.Global.JetStream)
 	// order is:
 	// m.room.create
 	// m.room.member
 	// m.room.power_levels
 	// m.room.join_rules
 	// m.room.history_visibility
-	msgs := toNATSMsgs(t, base, room.Events()...)
+	msgs := toNATSMsgs(t, cfg, room.Events()...)
 	sinceTokens := make([]string, len(msgs))
-	caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-	AddPublicRoutes(base, &syncUserAPI{accounts: []userapi.Device{alice}}, &syncRoomserverAPI{rooms: []*test.Room{room}}, caches)
+	AddPublicRoutes(processCtx, routers, cfg, cm, &natsInstance, &syncUserAPI{accounts: []userapi.Device{alice}}, &syncRoomserverAPI{rooms: []*test.Room{room}}, caches, caching.DisableMetrics)
 	for i, msg := range msgs {
 		testrig.MustPublishMsgs(t, jsctx, msg)
 		time.Sleep(100 * time.Millisecond)
 		w := httptest.NewRecorder()
-		base.Routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
+		routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
 			"access_token": alice.AccessToken,
 			"timeout":      "0",
 		})))
@@ -256,7 +264,7 @@ func testSyncAPICreateRoomSyncEarly(t *testing.T, dbType test.DBType) {
 	t.Logf("waited for events to be consumed; syncing with %v", sinceTokens)
 	for i, since := range sinceTokens {
 		w := httptest.NewRecorder()
-		base.Routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
+		routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
 			"access_token": alice.AccessToken,
 			"timeout":      "0",
 			"since":        since,
@@ -298,17 +306,20 @@ func testSyncAPIUpdatePresenceImmediately(t *testing.T, dbType test.DBType) {
 		AccountType: userapi.AccountTypeUser,
 	}
 
-	base, close := testrig.CreateBaseDendrite(t, dbType)
-	base.Cfg.Global.Presence.EnableOutbound = true
-	base.Cfg.Global.Presence.EnableInbound = true
+	cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+	routers := httputil.NewRouters()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+	cfg.Global.Presence.EnableOutbound = true
+	cfg.Global.Presence.EnableInbound = true
 	defer close()
+	natsInstance := jetstream.NATSInstance{}
 
-	jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
-	defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
-	caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-	AddPublicRoutes(base, &syncUserAPI{accounts: []userapi.Device{alice}}, &syncRoomserverAPI{}, caches)
+	jsctx, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+	defer jetstream.DeleteAllStreams(jsctx, &cfg.Global.JetStream)
+	AddPublicRoutes(processCtx, routers, cfg, cm, &natsInstance, &syncUserAPI{accounts: []userapi.Device{alice}}, &syncRoomserverAPI{}, caches, caching.DisableMetrics)
 	w := httptest.NewRecorder()
-	base.Routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
+	routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
 		"access_token": alice.AccessToken,
 		"timeout":      "0",
 		"set_presence": "online",
@@ -414,17 +425,20 @@ func testHistoryVisibility(t *testing.T, dbType test.DBType) {
 			userType = "real user"
 		}
 
-		base, close := testrig.CreateBaseDendrite(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		routers := httputil.NewRouters()
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
 		defer close()
+		natsInstance := jetstream.NATSInstance{}
 
-		jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
-		defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
+		jsctx, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+		defer jetstream.DeleteAllStreams(jsctx, &cfg.Global.JetStream)
 
 		// Use the actual internal roomserver API
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
 		rsAPI.SetFederationAPI(nil, nil)
-		AddPublicRoutes(base, &syncUserAPI{accounts: []userapi.Device{aliceDev, bobDev}}, rsAPI, caches)
+		AddPublicRoutes(processCtx, routers, cfg, cm, &natsInstance, &syncUserAPI{accounts: []userapi.Device{aliceDev, bobDev}}, rsAPI, caches, caching.DisableMetrics)
 
 		for _, tc := range testCases {
 			testname := fmt.Sprintf("%s - %s", tc.historyVisibility, userType)
@@ -439,7 +453,7 @@ func testHistoryVisibility(t *testing.T, dbType test.DBType) {
 				if err := api.SendEvents(ctx, rsAPI, api.KindNew, eventsToSend, "test", "test", "test", nil, false); err != nil {
 					t.Fatalf("failed to send events: %v", err)
 				}
-				syncUntil(t, base, aliceDev.AccessToken, false,
+				syncUntil(t, routers, aliceDev.AccessToken, false,
 					func(syncBody string) bool {
 						path := fmt.Sprintf(`rooms.join.%s.timeline.events.#(content.body=="%s")`, room.ID, beforeJoinBody)
 						return gjson.Get(syncBody, path).Exists()
@@ -448,7 +462,7 @@ func testHistoryVisibility(t *testing.T, dbType test.DBType) {
 
 				// There is only one event, we expect only to be able to see this, if the room is world_readable
 				w := httptest.NewRecorder()
-				base.Routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", fmt.Sprintf("/_matrix/client/v3/rooms/%s/messages", room.ID), test.WithQueryParams(map[string]string{
+				routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", fmt.Sprintf("/_matrix/client/v3/rooms/%s/messages", room.ID), test.WithQueryParams(map[string]string{
 					"access_token": bobDev.AccessToken,
 					"dir":          "b",
 					"filter":       `{"lazy_load_members":true}`, // check that lazy loading doesn't break history visibility
@@ -479,7 +493,7 @@ func testHistoryVisibility(t *testing.T, dbType test.DBType) {
 				if err := api.SendEvents(ctx, rsAPI, api.KindNew, eventsToSend, "test", "test", "test", nil, false); err != nil {
 					t.Fatalf("failed to send events: %v", err)
 				}
-				syncUntil(t, base, aliceDev.AccessToken, false,
+				syncUntil(t, routers, aliceDev.AccessToken, false,
 					func(syncBody string) bool {
 						path := fmt.Sprintf(`rooms.join.%s.timeline.events.#(content.body=="%s")`, room.ID, afterJoinBody)
 						return gjson.Get(syncBody, path).Exists()
@@ -488,7 +502,7 @@ func testHistoryVisibility(t *testing.T, dbType test.DBType) {
 
 				// Verify the messages after/before invite are visible or not
 				w = httptest.NewRecorder()
-				base.Routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", fmt.Sprintf("/_matrix/client/v3/rooms/%s/messages", room.ID), test.WithQueryParams(map[string]string{
+				routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", fmt.Sprintf("/_matrix/client/v3/rooms/%s/messages", room.ID), test.WithQueryParams(map[string]string{
 					"access_token": bobDev.AccessToken,
 					"dir":          "b",
 				})))
@@ -714,18 +728,20 @@ func TestGetMembership(t *testing.T) {
 
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 
-		base, close := testrig.CreateBaseDendrite(t, dbType)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		routers := httputil.NewRouters()
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
 		defer close()
-
-		jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
-		defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
+		natsInstance := jetstream.NATSInstance{}
+		jsctx, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+		defer jetstream.DeleteAllStreams(jsctx, &cfg.Global.JetStream)
 
 		// Use an actual roomserver for this
-		caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-		rsAPI := roomserver.NewInternalAPI(base, caches)
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
 		rsAPI.SetFederationAPI(nil, nil)
 
-		AddPublicRoutes(base, &syncUserAPI{accounts: []userapi.Device{aliceDev, bobDev}}, rsAPI, caches)
+		AddPublicRoutes(processCtx, routers, cfg, cm, &natsInstance, &syncUserAPI{accounts: []userapi.Device{aliceDev, bobDev}}, rsAPI, caches, caching.DisableMetrics)
 
 		for _, tc := range testCases {
 			t.Run(tc.name, func(t *testing.T) {
@@ -745,7 +761,7 @@ func TestGetMembership(t *testing.T) {
 				if tc.useSleep {
 					time.Sleep(time.Millisecond * 100)
 				} else {
-					syncUntil(t, base, aliceDev.AccessToken, false, func(syncBody string) bool {
+					syncUntil(t, routers, aliceDev.AccessToken, false, func(syncBody string) bool {
 						// wait for the last sent eventID to come down sync
 						path := fmt.Sprintf(`rooms.join.%s.timeline.events.#(event_id=="%s")`, room.ID, room.Events()[len(room.Events())-1].EventID())
 						return gjson.Get(syncBody, path).Exists()
@@ -753,7 +769,7 @@ func TestGetMembership(t *testing.T) {
 				}
 
 				w := httptest.NewRecorder()
-				base.Routers.Client.ServeHTTP(w, tc.request(t, room))
+				routers.Client.ServeHTTP(w, tc.request(t, room))
 				if w.Code != 200 && tc.wantOK {
 					t.Logf("%s", w.Body.String())
 					t.Fatalf("got HTTP %d want %d", w.Code, 200)
@@ -786,16 +802,19 @@ func testSendToDevice(t *testing.T, dbType test.DBType) {
 		AccountType: userapi.AccountTypeUser,
 	}
 
-	base, baseClose := testrig.CreateBaseDendrite(t, dbType)
-	defer baseClose()
+	cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+	routers := httputil.NewRouters()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+	defer close()
+	natsInstance := jetstream.NATSInstance{}
 
-	jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
-	defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
-	caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-	AddPublicRoutes(base, &syncUserAPI{accounts: []userapi.Device{alice}}, &syncRoomserverAPI{}, caches)
+	jsctx, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+	defer jetstream.DeleteAllStreams(jsctx, &cfg.Global.JetStream)
+	AddPublicRoutes(processCtx, routers, cfg, cm, &natsInstance, &syncUserAPI{accounts: []userapi.Device{alice}}, &syncRoomserverAPI{}, caches, caching.DisableMetrics)
 
 	producer := producers.SyncAPIProducer{
-		TopicSendToDeviceEvent: base.Cfg.Global.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
+		TopicSendToDeviceEvent: cfg.Global.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
 		JetStream:              jsctx,
 	}
 
@@ -881,7 +900,7 @@ func testSendToDevice(t *testing.T, dbType test.DBType) {
 			}
 		}
 
-		syncUntil(t, base, alice.AccessToken,
+		syncUntil(t, routers, alice.AccessToken,
 			len(tc.want) == 0,
 			func(body string) bool {
 				return gjson.Get(body, fmt.Sprintf(`to_device.events.#(content.dummy=="message %d")`, msgCounter)).Exists()
@@ -890,7 +909,7 @@ func testSendToDevice(t *testing.T, dbType test.DBType) {
 
 		// Execute a /sync request, recording the response
 		w := httptest.NewRecorder()
-		base.Routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
+		routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
 			"access_token": alice.AccessToken,
 			"since":        tc.since,
 		})))
@@ -1004,15 +1023,18 @@ func testContext(t *testing.T, dbType test.DBType) {
 		AccountType: userapi.AccountTypeUser,
 	}
 
-	base, baseClose := testrig.CreateBaseDendrite(t, dbType)
-	defer baseClose()
+	cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+	routers := httputil.NewRouters()
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+	defer close()
 
 	// Use an actual roomserver for this
-	caches := caching.NewRistrettoCache(base.Cfg.Global.Cache.EstimatedMaxSize, base.Cfg.Global.Cache.MaxAge, caching.DisableMetrics)
-	rsAPI := roomserver.NewInternalAPI(base, caches)
+	natsInstance := jetstream.NATSInstance{}
+	rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, &natsInstance, caches, caching.DisableMetrics)
 	rsAPI.SetFederationAPI(nil, nil)
 
-	AddPublicRoutes(base, &syncUserAPI{accounts: []userapi.Device{alice}}, rsAPI, caches)
+	AddPublicRoutes(processCtx, routers, cfg, cm, &natsInstance, &syncUserAPI{accounts: []userapi.Device{alice}}, rsAPI, caches, caching.DisableMetrics)
 
 	room := test.NewRoom(t, user)
 
@@ -1025,10 +1047,10 @@ func testContext(t *testing.T, dbType test.DBType) {
 		t.Fatalf("failed to send events: %v", err)
 	}
 
-	jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
-	defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
+	jsctx, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+	defer jetstream.DeleteAllStreams(jsctx, &cfg.Global.JetStream)
 
-	syncUntil(t, base, alice.AccessToken, false, func(syncBody string) bool {
+	syncUntil(t, routers, alice.AccessToken, false, func(syncBody string) bool {
 		// wait for the last sent eventID to come down sync
 		path := fmt.Sprintf(`rooms.join.%s.timeline.events.#(event_id=="%s")`, room.ID, thirdMsg.EventID())
 		return gjson.Get(syncBody, path).Exists()
@@ -1055,7 +1077,7 @@ func testContext(t *testing.T, dbType test.DBType) {
 					params[k] = v
 				}
 			}
-			base.Routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", requestPath, test.WithQueryParams(params)))
+			routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", requestPath, test.WithQueryParams(params)))
 
 			if tc.wantError && w.Code == 200 {
 				t.Fatalf("Expected an error, but got none")
@@ -1143,9 +1165,10 @@ func TestUpdateRelations(t *testing.T) {
 	room := test.NewRoom(t, alice)
 
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		base, shutdownBase := testrig.CreateBaseDendrite(t, dbType)
-		t.Cleanup(shutdownBase)
-		db, err := storage.NewSyncServerDatasource(base.Context(), base.ConnectionManager, &base.Cfg.SyncAPI.Database)
+		cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		t.Cleanup(close)
+		db, err := storage.NewSyncServerDatasource(processCtx.Context(), cm, &cfg.SyncAPI.Database)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -1167,10 +1190,11 @@ func TestUpdateRelations(t *testing.T) {
 }
 
 func syncUntil(t *testing.T,
-	base *base.BaseDendrite, accessToken string,
+	routers httputil.Routers, accessToken string,
 	skip bool,
 	checkFunc func(syncBody string) bool,
 ) {
+	t.Helper()
 	if checkFunc == nil {
 		t.Fatalf("No checkFunc defined")
 	}
@@ -1184,7 +1208,7 @@ func syncUntil(t *testing.T,
 	go func() {
 		for {
 			w := httptest.NewRecorder()
-			base.Routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
+			routers.Client.ServeHTTP(w, test.NewRequest(t, "GET", "/_matrix/client/v3/sync", test.WithQueryParams(map[string]string{
 				"access_token": accessToken,
 				"timeout":      "1000",
 			})))
@@ -1202,14 +1226,14 @@ func syncUntil(t *testing.T,
 	}
 }
 
-func toNATSMsgs(t *testing.T, base *base.BaseDendrite, input ...*gomatrixserverlib.HeaderedEvent) []*nats.Msg {
+func toNATSMsgs(t *testing.T, cfg *config.Dendrite, input ...*gomatrixserverlib.HeaderedEvent) []*nats.Msg {
 	result := make([]*nats.Msg, len(input))
 	for i, ev := range input {
 		var addsStateIDs []string
 		if ev.StateKey() != nil {
 			addsStateIDs = append(addsStateIDs, ev.EventID())
 		}
-		result[i] = testrig.NewOutputEventMsg(t, base, ev.RoomID(), api.OutputEvent{
+		result[i] = testrig.NewOutputEventMsg(t, cfg, ev.RoomID(), api.OutputEvent{
 			Type: rsapi.OutputTypeNewRoomEvent,
 			NewRoomEvent: &rsapi.OutputNewRoomEvent{
 				Event:             ev,
diff --git a/test/testrig/base.go b/test/testrig/base.go
index bb8fded2..fd85578e 100644
--- a/test/testrig/base.go
+++ b/test/testrig/base.go
@@ -19,13 +19,12 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/matrix-org/dendrite/test"
-	"github.com/nats-io/nats.go"
 )
 
-func CreateBaseDendrite(t *testing.T, dbType test.DBType) (*base.BaseDendrite, func()) {
+func CreateConfig(t *testing.T, dbType test.DBType) (*config.Dendrite, *process.ProcessContext, func()) {
 	var cfg config.Dendrite
 	cfg.Defaults(config.DefaultOpts{
 		Generate:       false,
@@ -33,6 +32,7 @@ func CreateBaseDendrite(t *testing.T, dbType test.DBType) (*base.BaseDendrite, f
 	})
 	cfg.Global.JetStream.InMemory = true
 	cfg.FederationAPI.KeyPerspectives = nil
+	ctx := process.NewProcessContext()
 	switch dbType {
 	case test.DBTypePostgres:
 		cfg.Global.Defaults(config.DefaultOpts{ // autogen a signing key
@@ -51,18 +51,18 @@ func CreateBaseDendrite(t *testing.T, dbType test.DBType) (*base.BaseDendrite, f
 		// use a distinct prefix else concurrent postgres/sqlite runs will clash since NATS will use
 		// the file system event with InMemory=true :(
 		cfg.Global.JetStream.TopicPrefix = fmt.Sprintf("Test_%d_", dbType)
-		connStr, close := test.PrepareDBConnectionString(t, dbType)
+
+		connStr, closeDb := test.PrepareDBConnectionString(t, dbType)
 		cfg.Global.DatabaseOptions = config.DatabaseOptions{
 			ConnectionString:       config.DataSource(connStr),
 			MaxOpenConnections:     10,
 			MaxIdleConnections:     2,
 			ConnMaxLifetimeSeconds: 60,
 		}
-		base := base.NewBaseDendrite(&cfg, base.DisableMetrics)
-		return base, func() {
-			base.ShutdownDendrite()
-			base.WaitForShutdown()
-			close()
+		return &cfg, ctx, func() {
+			ctx.ShutdownDendrite()
+			ctx.WaitForShutdown()
+			closeDb()
 		}
 	case test.DBTypeSQLite:
 		cfg.Defaults(config.DefaultOpts{
@@ -86,30 +86,13 @@ func CreateBaseDendrite(t *testing.T, dbType test.DBType) (*base.BaseDendrite, f
 		cfg.UserAPI.AccountDatabase.ConnectionString = config.DataSource(filepath.Join("file://", tempDir, "userapi.db"))
 		cfg.RelayAPI.Database.ConnectionString = config.DataSource(filepath.Join("file://", tempDir, "relayapi.db"))
 
-		base := base.NewBaseDendrite(&cfg, base.DisableMetrics)
-		return base, func() {
-			base.ShutdownDendrite()
-			base.WaitForShutdown()
+		return &cfg, ctx, func() {
+			ctx.ShutdownDendrite()
+			ctx.WaitForShutdown()
 			t.Cleanup(func() {}) // removes t.TempDir, where all database files are created
 		}
 	default:
 		t.Fatalf("unknown db type: %v", dbType)
 	}
-	return nil, nil
-}
-
-func Base(cfg *config.Dendrite) (*base.BaseDendrite, nats.JetStreamContext, *nats.Conn) {
-	if cfg == nil {
-		cfg = &config.Dendrite{}
-		cfg.Defaults(config.DefaultOpts{
-			Generate:       true,
-			SingleDatabase: false,
-		})
-	}
-	cfg.Global.JetStream.InMemory = true
-	cfg.SyncAPI.Fulltext.InMemory = true
-	cfg.FederationAPI.KeyPerspectives = nil
-	base := base.NewBaseDendrite(cfg, base.DisableMetrics)
-	js, jc := base.NATS.Prepare(base.ProcessContext, &cfg.Global.JetStream)
-	return base, js, jc
+	return &config.Dendrite{}, nil, func() {}
 }
diff --git a/test/testrig/jetstream.go b/test/testrig/jetstream.go
index b880eea4..5f15cfb3 100644
--- a/test/testrig/jetstream.go
+++ b/test/testrig/jetstream.go
@@ -4,10 +4,10 @@ import (
 	"encoding/json"
 	"testing"
 
+	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/nats-io/nats.go"
 
 	"github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 )
 
@@ -20,9 +20,9 @@ func MustPublishMsgs(t *testing.T, jsctx nats.JetStreamContext, msgs ...*nats.Ms
 	}
 }
 
-func NewOutputEventMsg(t *testing.T, base *base.BaseDendrite, roomID string, update api.OutputEvent) *nats.Msg {
+func NewOutputEventMsg(t *testing.T, cfg *config.Dendrite, roomID string, update api.OutputEvent) *nats.Msg {
 	t.Helper()
-	msg := nats.NewMsg(base.Cfg.Global.JetStream.Prefixed(jetstream.OutputRoomEvent))
+	msg := nats.NewMsg(cfg.Global.JetStream.Prefixed(jetstream.OutputRoomEvent))
 	msg.Header.Set(jetstream.RoomEventType, string(update.Type))
 	msg.Header.Set(jetstream.RoomID, roomID)
 	var err error
diff --git a/userapi/consumers/roomserver_test.go b/userapi/consumers/roomserver_test.go
index a54706db..4827ad47 100644
--- a/userapi/consumers/roomserver_test.go
+++ b/userapi/consumers/roomserver_test.go
@@ -21,7 +21,7 @@ import (
 func mustCreateDatabase(t *testing.T, dbType test.DBType) (storage.UserDatabase, func()) {
 	t.Helper()
 	connStr, close := test.PrepareDBConnectionString(t, dbType)
-	cm := sqlutil.NewConnectionManager()
+	cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 	db, err := storage.NewUserDatabase(context.Background(), cm, &config.DatabaseOptions{
 		ConnectionString: config.DataSource(connStr),
 	}, "", 4, 0, 0, "")
diff --git a/userapi/internal/device_list_update_test.go b/userapi/internal/device_list_update_test.go
index 6ccc4b5f..c0965a2c 100644
--- a/userapi/internal/device_list_update_test.go
+++ b/userapi/internal/device_list_update_test.go
@@ -364,7 +364,7 @@ func mustCreateKeyserverDB(t *testing.T, dbType test.DBType) (storage.KeyDatabas
 	t.Helper()
 
 	connStr, clearDB := test.PrepareDBConnectionString(t, dbType)
-	cm := sqlutil.NewConnectionManager()
+	cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 	db, err := storage.NewKeyDatabase(cm, &config.DatabaseOptions{ConnectionString: config.DataSource(connStr)})
 	if err != nil {
 		t.Fatal(err)
diff --git a/userapi/internal/key_api_test.go b/userapi/internal/key_api_test.go
index ec315c73..de2a6d2c 100644
--- a/userapi/internal/key_api_test.go
+++ b/userapi/internal/key_api_test.go
@@ -16,7 +16,7 @@ import (
 func mustCreateDatabase(t *testing.T, dbType test.DBType) (storage.KeyDatabase, func()) {
 	t.Helper()
 	connStr, close := test.PrepareDBConnectionString(t, dbType)
-	cm := sqlutil.NewConnectionManager()
+	cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 	db, err := storage.NewKeyDatabase(cm, &config.DatabaseOptions{
 		ConnectionString: config.DataSource(connStr),
 	})
diff --git a/userapi/storage/storage_test.go b/userapi/storage/storage_test.go
index c6369ef9..cf7c5144 100644
--- a/userapi/storage/storage_test.go
+++ b/userapi/storage/storage_test.go
@@ -35,7 +35,7 @@ var (
 
 func mustCreateUserDatabase(t *testing.T, dbType test.DBType) (storage.UserDatabase, func()) {
 	connStr, close := test.PrepareDBConnectionString(t, dbType)
-	cm := sqlutil.NewConnectionManager()
+	cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 	db, err := storage.NewUserDatabase(context.Background(), cm, &config.DatabaseOptions{
 		ConnectionString: config.DataSource(connStr),
 	}, "localhost", bcrypt.MinCost, openIDLifetimeMS, loginTokenLifetime, "_server")
@@ -576,8 +576,9 @@ func Test_Notification(t *testing.T) {
 }
 
 func mustCreateKeyDatabase(t *testing.T, dbType test.DBType) (storage.KeyDatabase, func()) {
-	base, close := testrig.CreateBaseDendrite(t, dbType)
-	db, err := storage.NewKeyDatabase(base.ConnectionManager, &base.Cfg.KeyServer.Database)
+	cfg, processCtx, close := testrig.CreateConfig(t, dbType)
+	cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+	db, err := storage.NewKeyDatabase(cm, &cfg.KeyServer.Database)
 	if err != nil {
 		t.Fatalf("failed to create new database: %v", err)
 	}
diff --git a/userapi/userapi.go b/userapi/userapi.go
index 3ada8020..6dcbc121 100644
--- a/userapi/userapi.go
+++ b/userapi/userapi.go
@@ -19,10 +19,12 @@ import (
 
 	fedsenderapi "github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/internal/pushgateway"
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/setup/process"
 	"github.com/sirupsen/logrus"
 
 	rsapi "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/dendrite/userapi/consumers"
@@ -35,31 +37,33 @@ import (
 // NewInternalAPI returns a concrete implementation of the internal API. Callers
 // can call functions directly on the returned API or via an HTTP interface using AddInternalRoutes.
 func NewInternalAPI(
-	base *base.BaseDendrite,
+	processContext *process.ProcessContext,
+	dendriteCfg *config.Dendrite,
+	cm sqlutil.Connections,
+	natsInstance *jetstream.NATSInstance,
 	rsAPI rsapi.UserRoomserverAPI,
 	fedClient fedsenderapi.KeyserverFederationAPI,
 ) *internal.UserInternalAPI {
-	cfg := &base.Cfg.UserAPI
-	js, _ := base.NATS.Prepare(base.ProcessContext, &cfg.Matrix.JetStream)
-	appServices := base.Cfg.Derived.ApplicationServices
+	js, _ := natsInstance.Prepare(processContext, &dendriteCfg.Global.JetStream)
+	appServices := dendriteCfg.Derived.ApplicationServices
 
-	pgClient := pushgateway.NewHTTPClient(cfg.PushGatewayDisableTLSValidation)
+	pgClient := pushgateway.NewHTTPClient(dendriteCfg.UserAPI.PushGatewayDisableTLSValidation)
 
 	db, err := storage.NewUserDatabase(
-		base.ProcessContext.Context(),
-		base.ConnectionManager,
-		&cfg.AccountDatabase,
-		cfg.Matrix.ServerName,
-		cfg.BCryptCost,
-		cfg.OpenIDTokenLifetimeMS,
+		processContext.Context(),
+		cm,
+		&dendriteCfg.UserAPI.AccountDatabase,
+		dendriteCfg.Global.ServerName,
+		dendriteCfg.UserAPI.BCryptCost,
+		dendriteCfg.UserAPI.OpenIDTokenLifetimeMS,
 		api.DefaultLoginTokenLifetime,
-		cfg.Matrix.ServerNotices.LocalPart,
+		dendriteCfg.UserAPI.Matrix.ServerNotices.LocalPart,
 	)
 	if err != nil {
 		logrus.WithError(err).Panicf("failed to connect to accounts db")
 	}
 
-	keyDB, err := storage.NewKeyDatabase(base.ConnectionManager, &base.Cfg.KeyServer.Database)
+	keyDB, err := storage.NewKeyDatabase(cm, &dendriteCfg.KeyServer.Database)
 	if err != nil {
 		logrus.WithError(err).Panicf("failed to connect to key db")
 	}
@@ -70,11 +74,11 @@ func NewInternalAPI(
 		// it's handled by clientapi, and hence uses its topic. When user
 		// API handles it for all account data, we can remove it from
 		// here.
-		cfg.Matrix.JetStream.Prefixed(jetstream.OutputClientData),
-		cfg.Matrix.JetStream.Prefixed(jetstream.OutputNotificationData),
+		dendriteCfg.Global.JetStream.Prefixed(jetstream.OutputClientData),
+		dendriteCfg.Global.JetStream.Prefixed(jetstream.OutputNotificationData),
 	)
 	keyChangeProducer := &producers.KeyChange{
-		Topic:     cfg.Matrix.JetStream.Prefixed(jetstream.OutputKeyChangeEvent),
+		Topic:     dendriteCfg.Global.JetStream.Prefixed(jetstream.OutputKeyChangeEvent),
 		JetStream: js,
 		DB:        keyDB,
 	}
@@ -84,15 +88,15 @@ func NewInternalAPI(
 		KeyDatabase:          keyDB,
 		SyncProducer:         syncProducer,
 		KeyChangeProducer:    keyChangeProducer,
-		Config:               cfg,
+		Config:               &dendriteCfg.UserAPI,
 		AppServices:          appServices,
 		RSAPI:                rsAPI,
-		DisableTLSValidation: cfg.PushGatewayDisableTLSValidation,
+		DisableTLSValidation: dendriteCfg.UserAPI.PushGatewayDisableTLSValidation,
 		PgClient:             pgClient,
 		FedClient:            fedClient,
 	}
 
-	updater := internal.NewDeviceListUpdater(base.ProcessContext, keyDB, userAPI, keyChangeProducer, fedClient, 8, rsAPI, cfg.Matrix.ServerName) // 8 workers TODO: configurable
+	updater := internal.NewDeviceListUpdater(processContext, keyDB, userAPI, keyChangeProducer, fedClient, 8, rsAPI, dendriteCfg.Global.ServerName) // 8 workers TODO: configurable
 	userAPI.Updater = updater
 	// Remove users which we don't share a room with anymore
 	if err := updater.CleanUp(); err != nil {
@@ -106,28 +110,28 @@ func NewInternalAPI(
 	}()
 
 	dlConsumer := consumers.NewDeviceListUpdateConsumer(
-		base.ProcessContext, cfg, js, updater,
+		processContext, &dendriteCfg.UserAPI, js, updater,
 	)
 	if err := dlConsumer.Start(); err != nil {
 		logrus.WithError(err).Panic("failed to start device list consumer")
 	}
 
 	sigConsumer := consumers.NewSigningKeyUpdateConsumer(
-		base.ProcessContext, cfg, js, userAPI,
+		processContext, &dendriteCfg.UserAPI, js, userAPI,
 	)
 	if err := sigConsumer.Start(); err != nil {
 		logrus.WithError(err).Panic("failed to start signing key consumer")
 	}
 
 	receiptConsumer := consumers.NewOutputReceiptEventConsumer(
-		base.ProcessContext, cfg, js, db, syncProducer, pgClient,
+		processContext, &dendriteCfg.UserAPI, js, db, syncProducer, pgClient,
 	)
 	if err := receiptConsumer.Start(); err != nil {
 		logrus.WithError(err).Panic("failed to start user API receipt consumer")
 	}
 
 	eventConsumer := consumers.NewOutputRoomEventConsumer(
-		base.ProcessContext, cfg, js, db, pgClient, rsAPI, syncProducer,
+		processContext, &dendriteCfg.UserAPI, js, db, pgClient, rsAPI, syncProducer,
 	)
 	if err := eventConsumer.Start(); err != nil {
 		logrus.WithError(err).Panic("failed to start user API streamed event consumer")
@@ -136,15 +140,15 @@ func NewInternalAPI(
 	var cleanOldNotifs func()
 	cleanOldNotifs = func() {
 		logrus.Infof("Cleaning old notifications")
-		if err := db.DeleteOldNotifications(base.Context()); err != nil {
+		if err := db.DeleteOldNotifications(processContext.Context()); err != nil {
 			logrus.WithError(err).Error("Failed to clean old notifications")
 		}
 		time.AfterFunc(time.Hour, cleanOldNotifs)
 	}
 	time.AfterFunc(time.Minute, cleanOldNotifs)
 
-	if base.Cfg.Global.ReportStats.Enabled {
-		go util.StartPhoneHomeCollector(time.Now(), base.Cfg, db)
+	if dendriteCfg.Global.ReportStats.Enabled {
+		go util.StartPhoneHomeCollector(time.Now(), dendriteCfg, db)
 	}
 
 	return userAPI
diff --git a/userapi/userapi_test.go b/userapi/userapi_test.go
index c2d4e5a2..03e65635 100644
--- a/userapi/userapi_test.go
+++ b/userapi/userapi_test.go
@@ -68,34 +68,25 @@ func MustMakeInternalAPI(t *testing.T, opts apiTestOpts, dbType test.DBType, pub
 	if opts.loginTokenLifetime == 0 {
 		opts.loginTokenLifetime = api.DefaultLoginTokenLifetime * time.Millisecond
 	}
-	base, baseclose := testrig.CreateBaseDendrite(t, dbType)
-	connStr, close := test.PrepareDBConnectionString(t, dbType)
+	cfg, ctx, close := testrig.CreateConfig(t, dbType)
 	sName := serverName
 	if opts.serverName != "" {
 		sName = gomatrixserverlib.ServerName(opts.serverName)
 	}
-	cm := sqlutil.NewConnectionManager()
-	ctx := context.Background()
-	accountDB, err := storage.NewUserDatabase(ctx, cm, &config.DatabaseOptions{
-		ConnectionString: config.DataSource(connStr),
-	}, sName, bcrypt.MinCost, config.DefaultOpenIDTokenLifetimeMS, opts.loginTokenLifetime, "")
+	cm := sqlutil.NewConnectionManager(ctx, cfg.Global.DatabaseOptions)
+
+	accountDB, err := storage.NewUserDatabase(ctx.Context(), cm, &cfg.UserAPI.AccountDatabase, sName, bcrypt.MinCost, config.DefaultOpenIDTokenLifetimeMS, opts.loginTokenLifetime, "")
 	if err != nil {
 		t.Fatalf("failed to create account DB: %s", err)
 	}
 
-	keyDB, err := storage.NewKeyDatabase(base.ConnectionManager, &config.DatabaseOptions{
-		ConnectionString: config.DataSource(connStr),
-	})
+	keyDB, err := storage.NewKeyDatabase(cm, &cfg.KeyServer.Database)
 	if err != nil {
 		t.Fatalf("failed to create key DB: %s", err)
 	}
 
-	cfg := &config.UserAPI{
-		Matrix: &config.Global{
-			SigningIdentity: gomatrixserverlib.SigningIdentity{
-				ServerName: sName,
-			},
-		},
+	cfg.Global.SigningIdentity = gomatrixserverlib.SigningIdentity{
+		ServerName: sName,
 	}
 
 	if publisher == nil {
@@ -107,12 +98,11 @@ func MustMakeInternalAPI(t *testing.T, opts apiTestOpts, dbType test.DBType, pub
 	return &internal.UserInternalAPI{
 			DB:                accountDB,
 			KeyDatabase:       keyDB,
-			Config:            cfg,
+			Config:            &cfg.UserAPI,
 			SyncProducer:      syncProducer,
 			KeyChangeProducer: keyChangeProducer,
 		}, accountDB, func() {
 			close()
-			baseclose()
 		}
 }
 
diff --git a/userapi/util/notify_test.go b/userapi/util/notify_test.go
index c899e3a7..69461ddd 100644
--- a/userapi/util/notify_test.go
+++ b/userapi/util/notify_test.go
@@ -77,7 +77,7 @@ func TestNotifyUserCountsAsync(t *testing.T) {
 		// Create DB and Dendrite base
 		connStr, close := test.PrepareDBConnectionString(t, dbType)
 		defer close()
-		cm := sqlutil.NewConnectionManager()
+		cm := sqlutil.NewConnectionManager(nil, config.DatabaseOptions{})
 		db, err := storage.NewUserDatabase(ctx, cm, &config.DatabaseOptions{
 			ConnectionString: config.DataSource(connStr),
 		}, "test", bcrypt.MinCost, 0, 0, "")
diff --git a/userapi/util/phonehomestats_test.go b/userapi/util/phonehomestats_test.go
index 4e931a1b..191a35c0 100644
--- a/userapi/util/phonehomestats_test.go
+++ b/userapi/util/phonehomestats_test.go
@@ -7,10 +7,10 @@ import (
 	"testing"
 	"time"
 
+	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"golang.org/x/crypto/bcrypt"
 
 	"github.com/matrix-org/dendrite/internal"
-	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/test/testrig"
 	"github.com/matrix-org/dendrite/userapi/storage"
@@ -18,12 +18,10 @@ import (
 
 func TestCollect(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
-		b, _, _ := testrig.Base(nil)
-		connStr, closeDB := test.PrepareDBConnectionString(t, dbType)
+		cfg, processCtx, closeDB := testrig.CreateConfig(t, dbType)
 		defer closeDB()
-		db, err := storage.NewUserDatabase(b.Context(), b.ConnectionManager, &config.DatabaseOptions{
-			ConnectionString: config.DataSource(connStr),
-		}, "localhost", bcrypt.MinCost, 1000, 1000, "")
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		db, err := storage.NewUserDatabase(processCtx.Context(), cm, &cfg.UserAPI.AccountDatabase, "localhost", bcrypt.MinCost, 1000, 1000, "")
 		if err != nil {
 			t.Error(err)
 		}
@@ -62,12 +60,12 @@ func TestCollect(t *testing.T) {
 		}))
 		defer srv.Close()
 
-		b.Cfg.Global.ReportStats.Endpoint = srv.URL
+		cfg.Global.ReportStats.Endpoint = srv.URL
 		stats := phoneHomeStats{
 			prevData:   timestampToRUUsage{},
 			serverName: "localhost",
 			startTime:  time.Now(),
-			cfg:        b.Cfg,
+			cfg:        cfg,
 			db:         db,
 			isMonolith: false,
 			client:     &http.Client{Timeout: time.Second},