# This compose file is compatible with Compose itself, it might need some
# adjustments to run properly with stack.

version: '3'

x-pg-env: &pg_env
  POSTGRES_USER: synapse
  POSTGRES_PASSWORD: changeme
  POSTGRES_DB: synapse

services:

  # use this container to generate the config file and then exit
  synapse-init:
    image: matrixdotorg/synapse:latest
    container_name: synapse-init
    entrypoint: 'bash'
    command: "-c './start.py generate && ./start.py migrate_config'"
    volumes:
      - synapse_data:/data
    environment:
      # more environment variables are available in the project directory `./docker/conf/homeserver.yaml`
      SYNAPSE_SERVER_NAME: 'changeme.com' # change to your server name
      SYNAPSE_REPORT_STATS: 'yes'
      SYNAPSE_NO_TLS: 'yes'
      POSTGRES_HOST: 'db'
      <<: *pg_env
    depends_on:
      db:
        condition: service_healthy

  synapse:
    image: matrixdotorg/synapse:latest
    # Since synapse does not retry to connect to the database, restart upon
    # failure
    restart: unless-stopped
    # See the readme for a full documentation of the environment settings
    # NOTE: You must edit homeserver.yaml to use postgres, it defaults to sqlite
    environment:
      - SYNAPSE_CONFIG_PATH=/data/homeserver.yaml
    volumes:
      # You may either store all the files in a local folder
      - synapse_data:/data
      # .. or you may split this between different storage points
      # - ./files:/data
      # - /path/to/ssd:/data/uploads
      # - /path/to/large_hdd:/data/media
    depends_on:
      db:
        condition: service_healthy
      synapse-init:
        # more information about condition https://github.com/compose-spec/compose-spec/blob/master/05-services.md#long-syntax-1
        condition: service_completed_successfully
    ports:
      # http port, you could use `8448` if you unset `SYNAPSE_NO_TLS` above the `synapse-init` container
      - 8008:8008/tcp 

  db:
    image: docker.io/postgres:12-alpine
    # Change that password, of course!
    environment:
      # ensure the database gets created correctly
      # https://matrix-org.github.io/synapse/latest/postgres.html#set-up-database
      POSTGRES_INITDB_ARGS: --encoding=UTF-8 --lc-collate=C --lc-ctype=C
      <<: *pg_env
    volumes:
      # You may store the database tables in a local folder..
      - pg_data:/var/lib/postgresql/data
      # .. or store them on some high performance storage for better results
      # - /path/to/ssd/storage:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready", "-d", "synapse"]
      interval: 30s
      timeout: 60s
      retries: 5
      start_period: 80s

volumes:
  synapse_data:
    # you need to set the local path to your data directory here or you would lost the data if you clean the volume
    driver: local
    driver_opts:
      type: 'none'
      o: 'bind'
      device: '${PWD}/deploy_data' # change the `device` to your local path

  pg_data:
    # you need to set the local path to your data directory here or you would lost the data if you clean the volume
    driver: local
    driver_opts:
      type: 'none'
      o: 'bind'
      device: '${PWD}/pg_data' # change the `device` to your local path