Docs restructure (#2953)

Needs to be merged into `gh-pages` later on.

build/docker/README.md

@@ -6,23 +6,20 @@ They can be found on Docker Hub:
 
 - [matrixdotorg/dendrite-monolith](https://hub.docker.com/r/matrixdotorg/dendrite-monolith) for monolith deployments
 
-## Dockerfiles
+## Dockerfile
 
-The `Dockerfile` is a multistage file which can build all four Dendrite
-images depending on the supplied `--target`. From the root of the Dendrite
+The `Dockerfile` is a multistage file which can build Dendrite. From the root of the Dendrite
 repository, run:
 
 ```
-docker build . --target monolith -t matrixdotorg/dendrite-monolith
-docker build . --target demo-pinecone -t matrixdotorg/dendrite-demo-pinecone
-docker build . --target demo-yggdrasil -t matrixdotorg/dendrite-demo-yggdrasil
+docker build . -t matrixdotorg/dendrite-monolith
 ```
 
-## Compose files
+## Compose file
 
-There are two sample `docker-compose` files:
+There is one sample `docker-compose` files:
 
-- `docker-compose.monolith.yml` which runs a monolith Dendrite deployment
+- `docker-compose.yml` which runs a Dendrite deployment with Postgres
 
 ## Configuration
 
@@ -55,7 +52,7 @@ Create your config based on the [`dendrite-sample.yaml`](https://github.com/matr
 Then start the deployment:
 
 ```
-docker-compose -f docker-compose.monolith.yml up
+docker-compose -f docker-compose.yml up
 ```
 
 ## Building the images

build/docker/docker-compose.monolith.yml

@@ -1,44 +0,0 @@
-version: "3.4"
-services:
-  postgres:
-    hostname: postgres
-    image: postgres:14
-    restart: always
-    volumes:
-      - ./postgres/create_db.sh:/docker-entrypoint-initdb.d/20-create_db.sh
-      # To persist your PostgreSQL databases outside of the Docker image, 
-      # to prevent data loss, modify the following ./path_to path:
-      - ./path_to/postgresql:/var/lib/postgresql/data
-    environment:
-      POSTGRES_PASSWORD: itsasecret
-      POSTGRES_USER: dendrite
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U dendrite"]
-      interval: 5s
-      timeout: 5s
-      retries: 5
-    networks:
-      - internal
-
-  monolith:
-    hostname: monolith
-    image: matrixdotorg/dendrite-monolith:latest
-    command: [
-      "--tls-cert=server.crt",
-      "--tls-key=server.key"
-    ]
-    ports:
-      - 8008:8008
-      - 8448:8448
-    volumes:
-      - ./config:/etc/dendrite
-      - ./media:/var/dendrite/media
-    depends_on:
-      - postgres
-    networks:
-      - internal
-    restart: unless-stopped
-
-networks:
-  internal:
-    attachable: true

build/docker/docker-compose.yml

@@ -0,0 +1,52 @@
+version: "3.4"
+
+services:
+  postgres:
+    hostname: postgres
+    image: postgres:15-alpine
+    restart: always
+    volumes:
+      # This will create a docker volume to persist the database files in.
+      # If you prefer those files to be outside of docker, you'll need to change this.
+      - dendrite_postgres_data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_PASSWORD: itsasecret
+      POSTGRES_USER: dendrite
+      POSTGRES_DATABASE: dendrite
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U dendrite"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    networks:
+      - internal
+
+  monolith:
+    hostname: monolith
+    image: matrixdotorg/dendrite-monolith:latest
+    ports:
+      - 8008:8008
+      - 8448:8448
+    volumes:
+      - ./config:/etc/dendrite
+      # The following volumes use docker volumes, change this
+      # if you prefer to have those files outside of docker.
+      - dendrite_media:/var/dendrite/media
+      - dendrite_jetstream:/var/dendrite/jetstream
+      - dendrite_search_index:/var/dendrite/searchindex
+    depends_on:
+      postgres:
+        condition: service_healthy
+    networks:
+      - internal
+    restart: unless-stopped
+
+networks:
+  internal:
+    attachable: true
+
+volumes:
+  dendrite_postgres_data:
+  dendrite_media:
+  dendrite_jetstream:
+  dendrite_search_index:

build/docker/postgres/create_db.sh

@@ -1,5 +0,0 @@
-#!/bin/sh
-
-for db in userapi_accounts mediaapi syncapi roomserver keyserver federationapi appservice mscs; do
-    createdb -U dendrite -O dendrite dendrite_$db
-done