secrets:
  postgres_password:
    file: ./postgres_password.txt

networks:
  frontend:
    external: ${DOCKER_PROXY_EXT-true}
    name: ${DOCKER_PROXY_NETWORK}
  backend:

services:
  postgres:
    image: postgres:${POSTGRESQL_IMAGE_TAG}
    restart: unless-stopped
    volumes:
      - ${VOLUME_PATH}/var/lib/postgresql/data:/var/lib/postgresql/data:rw
    secrets:
      - postgres_password
    networks:
      - backend
    environment:
      POSTGRES_DB: synapse
      POSTGRES_USER: synapse_user
      POSTGRES_PASSWORD_FILE: /run/secrets/postgres_password
      POSTGRES_INITDB_ARGS: --encoding=UTF8 --locale=C

  redis:
    image: redis:${REDIS_IMAGE_TAG}
    restart: unless-stopped
    networks:
      - backend

  synapse:
    image: matrixdotorg/synapse:${SYNAPSE_IMAGE_TAG}
    restart: unless-stopped
    volumes:
      - ${VOLUME_PATH}/data:/data:rw
    logging:
      driver: "json-file"
      options:
        max-size: "1G"
        max-file: "3"
    ports:
      - ${SYNAPSE_PORT}:8008
    networks:
      - frontend
      - backend
    environment:
      SYNAPSE_CONFIG_DIR: /data
      SYNAPSE_CONFIG_PATH: /data/${CONFIG_FILE_NAME}
      UID: ${UID}
      GID: ${GID}
      TZ: ${TZ}
    depends_on:
      - postgres