Multi-personality polylith binary (#1552)

* Initial work oon multipersonality binary

* Remove old binaries

* Monolith and polylith binaries

* Better logging

* dendrite-poly-multi

* Fix path

* Copyright notices etc

* Tweaks

* Update Docker, INSTALL.md

* Take first argument if flags package doesn't find any args

* Postgres 9.6 or later, fix some more Docker stuff

* Don't create unnecessary e2ekey DB

* Run go mod tidy

11 files changed, 55 insertions, 100 deletions

diff --git a/build/docker/Dockerfile b/build/docker/Dockerfile
index d8e07681..5cab0530 100644
--- a/build/docker/Dockerfile
+++ b/build/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/golang:1.13.7-alpine3.11 AS builder
+FROM docker.io/golang:1.15-alpine AS builder
 
 RUN apk --update --no-cache add bash build-base
 
diff --git a/build/docker/Dockerfile.component b/build/docker/Dockerfile.component
deleted file mode 100644
index 1acf510f..00000000
--- a/build/docker/Dockerfile.component
+++ /dev/null
@@ -1,14 +0,0 @@
-FROM matrixdotorg/dendrite:latest AS base
-
-FROM alpine:latest
-
-ARG component=monolith
-ENV entrypoint=${component}
-
-COPY --from=base /build/bin/${component} /usr/bin
-COPY --from=base /build/bin/goose /usr/bin
-
-VOLUME /etc/dendrite
-WORKDIR /etc/dendrite
-
-ENTRYPOINT /usr/bin/${entrypoint} $@
\ No newline at end of file
diff --git a/build/docker/Dockerfile.monolith b/build/docker/Dockerfile.monolith
new file mode 100644
index 00000000..3e9d0cba
--- /dev/null
+++ b/build/docker/Dockerfile.monolith
@@ -0,0 +1,13 @@
+FROM matrixdotorg/dendrite:latest AS base
+
+FROM alpine:latest
+
+COPY --from=base /build/bin/dendrite-monolith-server /usr/bin
+COPY --from=base /build/bin/goose /usr/bin
+COPY --from=base /build/bin/create-account /usr/bin
+COPY --from=base /build/bin/generate-keys /usr/bin
+
+VOLUME /etc/dendrite
+WORKDIR /etc/dendrite
+
+ENTRYPOINT ["/usr/bin/dendrite-monolith-server"]
\ No newline at end of file
diff --git a/build/docker/Dockerfile.polylith b/build/docker/Dockerfile.polylith
new file mode 100644
index 00000000..dd4cbd38
--- /dev/null
+++ b/build/docker/Dockerfile.polylith
@@ -0,0 +1,13 @@
+FROM matrixdotorg/dendrite:latest AS base
+
+FROM alpine:latest
+
+COPY --from=base /build/bin/dendrite-polylith-multi /usr/bin
+COPY --from=base /build/bin/goose /usr/bin
+COPY --from=base /build/bin/create-account /usr/bin
+COPY --from=base /build/bin/generate-keys /usr/bin
+
+VOLUME /etc/dendrite
+WORKDIR /etc/dendrite
+
+ENTRYPOINT ["/usr/bin/dendrite-polylith-multi"]
\ No newline at end of file
diff --git a/build/docker/docker-compose.deps.yml b/build/docker/docker-compose.deps.yml
index 74e478a8..1a27ffac 100644
--- a/build/docker/docker-compose.deps.yml
+++ b/build/docker/docker-compose.deps.yml
@@ -2,7 +2,7 @@ version: "3.4"
 services:
   postgres:
     hostname: postgres
-    image: postgres:9.5
+    image: postgres:9.6
     restart: always
     volumes:
       - ./postgres/create_db.sh:/docker-entrypoint-initdb.d/20-create_db.sh
diff --git a/build/docker/docker-compose.monolith.yml b/build/docker/docker-compose.monolith.yml
index 7d63e1c6..8fb79834 100644
--- a/build/docker/docker-compose.monolith.yml
+++ b/build/docker/docker-compose.monolith.yml
@@ -4,7 +4,6 @@ services:
     hostname: monolith
     image: matrixdotorg/dendrite-monolith:latest
     command: [
-      "--config=dendrite.yaml",
       "--tls-cert=server.crt",
       "--tls-key=server.key"
     ]
diff --git a/build/docker/docker-compose.polylith.yml b/build/docker/docker-compose.polylith.yml
index e8da9c24..f377e36f 100644
--- a/build/docker/docker-compose.polylith.yml
+++ b/build/docker/docker-compose.polylith.yml
@@ -2,22 +2,17 @@ version: "3.4"
 services:
   client_api:
     hostname: client_api
-    image: matrixdotorg/dendrite-clientapi:latest
-    command: [
-      "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: clientapi
     volumes:
       - ./config:/etc/dendrite
-      - room_server
     networks:
       - internal
 
   media_api:
     hostname: media_api
-    image: matrixdotorg/dendrite-mediaapi:latest
-    command: [
-      "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: mediaapi
     volumes:
       - ./config:/etc/dendrite
     networks:
@@ -25,10 +20,8 @@ services:
 
   sync_api:
     hostname: sync_api
-    image: matrixdotorg/dendrite-syncapi:latest
-    command: [
-      "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: syncapi
     volumes:
       - ./config:/etc/dendrite
     networks:
@@ -36,10 +29,8 @@ services:
 
   room_server:
     hostname: room_server
-    image: matrixdotorg/dendrite-roomserver:latest
-    command: [
-      "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: roomserver
     volumes:
       - ./config:/etc/dendrite
     networks:
@@ -47,10 +38,8 @@ services:
 
   edu_server:
     hostname: edu_server
-    image: matrixdotorg/dendrite-eduserver:latest
-    command: [
-      "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: eduserver
     volumes:
       - ./config:/etc/dendrite
     networks:
@@ -58,10 +47,8 @@ services:
 
   federation_api:
     hostname: federation_api
-    image: matrixdotorg/dendrite-federationapi:latest
-    command: [
-      "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: federationapi
     volumes:
       - ./config:/etc/dendrite
     networks:
@@ -69,10 +56,8 @@ services:
 
   federation_sender:
     hostname: federation_sender
-    image: matrixdotorg/dendrite-federationsender:latest
-    command: [
-      "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: federationsender
     volumes:
       - ./config:/etc/dendrite
     networks:
@@ -80,10 +65,8 @@ services:
       
   key_server:
     hostname: key_server
-    image: matrixdotorg/dendrite-keyserver:latest
-    command: [
-      "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: keyserver
     volumes:
       - ./config:/etc/dendrite
     networks:
@@ -91,10 +74,8 @@ services:
 
   signing_key_server:
     hostname: signing_key_server
-    image: matrixdotorg/dendrite-signingkeyserver:latest
-    command: [
-      "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: signingkeyserver
     volumes:
       - ./config:/etc/dendrite
     networks:
@@ -102,10 +83,8 @@ services:
 
   user_api:
     hostname: user_api
-    image: matrixdotorg/dendrite-userapi:latest
-    command: [
-        "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: userapi
     volumes:
         - ./config:/etc/dendrite
     networks:
@@ -113,10 +92,8 @@ services:
 
   appservice_api:
     hostname: appservice_api
-    image: matrixdotorg/dendrite-appservice:latest
-    command: [
-      "--config=dendrite.yaml"
-    ]
+    image: matrixdotorg/dendrite-polylith:latest
+    command: appservice
     volumes:
       - ./config:/etc/dendrite
     networks:
diff --git a/build/docker/images-build.sh b/build/docker/images-build.sh
index daad63be..f80f6bed 100755
--- a/build/docker/images-build.sh
+++ b/build/docker/images-build.sh
@@ -8,16 +8,5 @@ echo "Building tag '${TAG}'"
 
 docker build -f build/docker/Dockerfile -t matrixdotorg/dendrite:${TAG} .
 
-docker build -t matrixdotorg/dendrite-monolith:${TAG}          --build-arg component=dendrite-monolith-server          -f build/docker/Dockerfile.component .
-
-docker build -t matrixdotorg/dendrite-appservice:${TAG}        --build-arg component=dendrite-appservice-server        -f build/docker/Dockerfile.component .
-docker build -t matrixdotorg/dendrite-clientapi:${TAG}         --build-arg component=dendrite-client-api-server        -f build/docker/Dockerfile.component .
-docker build -t matrixdotorg/dendrite-eduserver:${TAG}         --build-arg component=dendrite-edu-server               -f build/docker/Dockerfile.component .
-docker build -t matrixdotorg/dendrite-federationapi:${TAG}     --build-arg component=dendrite-federation-api-server    -f build/docker/Dockerfile.component .
-docker build -t matrixdotorg/dendrite-federationsender:${TAG}  --build-arg component=dendrite-federation-sender-server -f build/docker/Dockerfile.component .
-docker build -t matrixdotorg/dendrite-keyserver:${TAG}         --build-arg component=dendrite-key-server               -f build/docker/Dockerfile.component .
-docker build -t matrixdotorg/dendrite-mediaapi:${TAG}          --build-arg component=dendrite-media-api-server         -f build/docker/Dockerfile.component .
-docker build -t matrixdotorg/dendrite-roomserver:${TAG}        --build-arg component=dendrite-room-server              -f build/docker/Dockerfile.component .
-docker build -t matrixdotorg/dendrite-syncapi:${TAG}           --build-arg component=dendrite-sync-api-server          -f build/docker/Dockerfile.component .
-docker build -t matrixdotorg/dendrite-signingkeyserver:${TAG}  --build-arg component=dendrite-signing-key-server       -f build/docker/Dockerfile.component .
-docker build -t matrixdotorg/dendrite-userapi:${TAG}           --build-arg component=dendrite-user-api-server          -f build/docker/Dockerfile.component .
+docker build -t matrixdotorg/dendrite-monolith:${TAG}  -f build/docker/Dockerfile.monolith .
+docker build -t matrixdotorg/dendrite-polylith:${TAG}  -f build/docker/Dockerfile.polylith .
\ No newline at end of file
diff --git a/build/docker/images-pull.sh b/build/docker/images-pull.sh
index e3284a2a..496e8006 100755
--- a/build/docker/images-pull.sh
+++ b/build/docker/images-pull.sh
@@ -5,15 +5,4 @@ TAG=${1:-latest}
 echo "Pulling tag '${TAG}'"
 
 docker pull matrixdotorg/dendrite-monolith:${TAG}
-
-docker pull matrixdotorg/dendrite-appservice:${TAG}
-docker pull matrixdotorg/dendrite-clientapi:${TAG}
-docker pull matrixdotorg/dendrite-eduserver:${TAG}
-docker pull matrixdotorg/dendrite-federationapi:${TAG}
-docker pull matrixdotorg/dendrite-federationsender:${TAG}
-docker pull matrixdotorg/dendrite-keyserver:${TAG}
-docker pull matrixdotorg/dendrite-mediaapi:${TAG}
-docker pull matrixdotorg/dendrite-roomserver:${TAG}
-docker pull matrixdotorg/dendrite-syncapi:${TAG}
-docker pull matrixdotorg/dendrite-signingkeyserver:${TAG}
-docker pull matrixdotorg/dendrite-userapi:${TAG}
+docker pull matrixdotorg/dendrite-polylith:${TAG}
\ No newline at end of file
diff --git a/build/docker/images-push.sh b/build/docker/images-push.sh
index e4eb773a..fd9b999e 100755
--- a/build/docker/images-push.sh
+++ b/build/docker/images-push.sh
@@ -5,15 +5,4 @@ TAG=${1:-latest}
 echo "Pushing tag '${TAG}'"
 
 docker push matrixdotorg/dendrite-monolith:${TAG}
-
-docker push matrixdotorg/dendrite-appservice:${TAG}
-docker push matrixdotorg/dendrite-clientapi:${TAG}
-docker push matrixdotorg/dendrite-eduserver:${TAG}
-docker push matrixdotorg/dendrite-federationapi:${TAG}
-docker push matrixdotorg/dendrite-federationsender:${TAG}
-docker push matrixdotorg/dendrite-keyserver:${TAG}
-docker push matrixdotorg/dendrite-mediaapi:${TAG}
-docker push matrixdotorg/dendrite-roomserver:${TAG}
-docker push matrixdotorg/dendrite-syncapi:${TAG}
-docker push matrixdotorg/dendrite-signingkeyserver:${TAG}
-docker push matrixdotorg/dendrite-userapi:${TAG}
+docker push matrixdotorg/dendrite-polylith:${TAG}
\ No newline at end of file
diff --git a/build/docker/postgres/create_db.sh b/build/docker/postgres/create_db.sh
index 97514467..7495a397 100755
--- a/build/docker/postgres/create_db.sh
+++ b/build/docker/postgres/create_db.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
 
-for db in account device mediaapi syncapi roomserver signingkeyserver keyserver federationsender appservice e2ekey naffka; do
+for db in account device mediaapi syncapi roomserver signingkeyserver keyserver federationsender appservice naffka; do
     createdb -U dendrite -O dendrite dendrite_$db
 done