version: "2.1"
services:
  # Compiles the assets and provides them as volumes for app and nginx.
  assets:
    build: .
    command: assets
    volumes:
      - assets:/opt/app/assets

  app:
    build: .
    volumes:
      # Map the uwsgi config from the host config
      - ./docker/uwsgi.ini:/etc/uwsgi/uwsgi.ini:ro

      # We put our local media here
      - ./data/media:/opt/app/data/media

      # Output the logs on a folder in the host machine
      - ./data/log:/opt/app/data/log

      # We require the compiled assets to know what urls to generate.
      - assets:/opt/app/assets
    command: app

  worker:
    build: .
    volumes:
      - ./data/log:/opt/app/data/log
    command: worker

  nginx:
    image: nginx:1.13-alpine
    volumes:
      # Map the nginx config from the host config
      - ./docker/nginx.conf:/etc/nginx/nginx.conf:ro

      # We need to deliver this media
      - ./data/media:/opt/app/data/media:ro

      # We always give the static assets from nginx
      - assets:/opt/appassets
    depends_on:
      - app
      - assets

  varnish:
    build: ./docker/varnish
    ports:
      - "${UCHAN_PORT}:80"
    environment:
      - UCHAN_VARNISH_MEMSIZE
    depends_on:
      - nginx
      - app
      - worker

  db:
    image: postgres:9.6-alpine
    environment:
      - POSTGRES_USER=uchan
      - POSTGRES_PASSWORD=uchan
    volumes:
      # We store the database in the data directory of the host
      - ./data/database:/var/lib/postgresql/data

  memcached:
    image: memcached:1.4-alpine

  queue:
    image: rabbitmq:alpine

volumes:
  assets: