version: '3'

services:
  # This is the database server that is used by Django
  db:
    container_name: postgresdb
    image: postgres:latest
    restart: always
    env_file:
      - docker/project.env
    # ports:
    #   - 5432:5432
    volumes:
      - postgres-data:/var/lib/postgresql/data

  # This is the redis server for HUEY (background processes)
  redis:
    container_name: redisdb
    image: redis
    env_file:
      - docker/project.env
    # We need the 'bash' command in order to get the environment variables
    command: bash -c 'redis-server --requirepass "$${REDIS_PASSWORD}" --appendonly yes'
    restart: always
    volumes:
      - redis-data:/data

  # The Django API REST server. This should only be used for API calls
  # TODO: Cleanup / split code better between API, scheduler and portal
  broker-api:
    container_name: broker_api
    env_file:
      - docker/project.env
    # This feels like bad practice....
    build:
      context: ./
      # The args below are just here for reference. For local testing, you cannot use the RUG cache
      # But while building with Drones, you can. So Drones has this argument active!
      # args:
      #   DOCKER_CACHE: registry.webhosting.rug.nl/cache/library/
      dockerfile: ./docker/Dockerfile.api
      args:
        DEBUG: "False"
    command: gunicorn VRE.wsgi:application --bind 0.0.0.0:8000 --workers=4
    ports:
      - 8000:8000
    depends_on:
      - db
      - redis
    volumes:
      - staticfiles:/home/app/web/staticfiles
      - mediafiles:/home/app/web/mediafiles

  # The standard NGINX server in front of the API. This will filter out all non API calls (/api/)
  # And will also server as a static file server for the API documentation
  broker-api-ngx:
    container_name: broker_api_ngx
    env_file:
      - docker/project.env
    build:
      context: ./
      # The args below are just here for reference. For local testing, you cannot use the RUG cache
      # But while building with Drones, you can. So Drones has this argument active!
      # args:
      #   DOCKER_CACHE: registry.webhosting.rug.nl/cache/library/
      dockerfile: ./docker/Dockerfile.nginx
    restart: always
    ports:
      - 1337:80
    depends_on:
      - broker-api
    volumes:
      - staticfiles:/var/www/staticfiles
      - mediafiles:/var/www/mediafiles

  # The API background scheduler based on Django and HUEY. Needs a Redis server
  # This will process background tasks like creating new VPS machines
  broker-scheduler:
    container_name: broker_scheduler
    env_file:
      - docker/project.env
    # This feels like bad practice....
    build:
      context: ./
      # The args below are just here for reference. For local testing, you cannot use the RUG cache
      # But while building with Drones, you can. So Drones has this argument active!
      # args:
      #   DOCKER_CACHE: registry.webhosting.rug.nl/cache/library/
      dockerfile: ./docker/Dockerfile.scheduler
      args:
        DEBUG: "False"
    command: python manage.py run_huey
    depends_on:
      - broker-api
      - db
      - redis

volumes:
  postgres-data: null
  redis-data: null
  staticfiles: null
  mediafiles: null