version: "3.3"
services:

  proxy:
    image: traefik:v1.7
    networks:
      - ${TRAEFIK_PUBLIC_NETWORK}
      - default
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    command: --docker \
      --docker.swarmmode \
      --docker.watch \
      --docker.exposedbydefault=false \
      --constraints=tag==${TRAEFIK_TAG} \
      --logLevel=INFO \
      --accessLog \
      --web
    deploy:
      placement:
        constraints:
          - node.role == manager
      labels:
        # For the configured domain
        - traefik.frontend.rule=Host:${DOMAIN}
        # For a domain with and without 'www'
        # Comment the previous line above and un-comment the line below
        # - "traefik.frontend.rule=Host:www.${DOMAIN},${DOMAIN}"
        - traefik.enable=true
        - traefik.port=80
        - traefik.tags=${TRAEFIK_PUBLIC_TAG}
        - traefik.docker.network=${TRAEFIK_PUBLIC_NETWORK}
        - traefik.frontend.entryPoints=http,https
        - traefik.frontend.redirect.entryPoint=https
        # Uncomment the config line below to detect and redirect www to non-www (or the contrary)
        # The lines above for traefik.frontend.rule are needed too
        # - "traefik.frontend.redirect.regex=^https?://(www.)?(${DOMAIN})/(.*)"
        # To redirect from non-www to www un-comment the line below
        # - "traefik.frontend.redirect.replacement=https://www.${DOMAIN}/$$3"
        # To redirect from www to non-www un-comment the line below
        # - "traefik.frontend.redirect.replacement=https://${DOMAIN}/$$3"
  
  db:
    image: postgres:12
    volumes:
      - app-db-data:/var/lib/postgresql/data/pgdata
    env_file:
      - .env
    environment:
      - PGDATA=/var/lib/postgresql/data/pgdata
    deploy:
      placement:
        constraints:
          - node.labels.${STACK_NAME}.app-db-data == true

  pgadmin:
    image: dpage/pgadmin4
    networks:
      - ${TRAEFIK_PUBLIC_NETWORK}
      - default
    depends_on:
      - db
    env_file:
      - .env
    deploy:
      labels:
        - traefik.frontend.rule=Host:pgadmin.${DOMAIN}
        - traefik.enable=true
        - traefik.port=5050
        - traefik.tags=${TRAEFIK_PUBLIC_TAG}
        - traefik.docker.network=${TRAEFIK_PUBLIC_NETWORK}
        - traefik.frontend.entryPoints=http,https
        - traefik.frontend.redirect.entryPoint=https

  queue:
    image: rabbitmq:3
    # Using the below image instead is required to enable the "Broker" tab in the flower UI:
    # image: rabbitmq:3-management
    #
    # You also have to change the flower command
  
  flower:
    image: mher/flower
    networks:
      - ${TRAEFIK_PUBLIC_NETWORK}
      - default
    env_file:
      - .env
    command:
      - "--broker=amqp://guest@queue:5672//"
      # For the "Broker" tab to work in the flower UI, uncomment the following command argument,
      # and change the queue service's image as well
      # - "--broker_api=http://guest:guest@queue:15672/api//"
    deploy:
      labels:
        - traefik.frontend.rule=Host:flower.${DOMAIN}
        - traefik.enable=true
        - traefik.port=5555
        - traefik.tags=${TRAEFIK_PUBLIC_TAG}
        - traefik.docker.network=${TRAEFIK_PUBLIC_NETWORK}
        - traefik.frontend.entryPoints=http,https
        - traefik.frontend.redirect.entryPoint=https
  
  backend:
    image: '${DOCKER_IMAGE_BACKEND}:${TAG-latest}'
    depends_on:
      - db
    env_file:
      - .env
    environment:
      - SERVER_NAME=${DOMAIN}
      - SERVER_HOST=https://${DOMAIN}
      # Allow explicit env var override for tests
      - SMTP_HOST=${SMTP_HOST}
    build:
      context: ./backend
      dockerfile: backend.dockerfile
    deploy:
      labels:
        - traefik.frontend.rule=PathPrefix:/api,/docs,/redoc
        - traefik.enable=true
        - traefik.port=80
        - traefik.tags=${TRAEFIK_TAG}
  
  celeryworker:
    image: '${DOCKER_IMAGE_CELERYWORKER}:${TAG-latest}'
    depends_on:
      - db
      - queue
    env_file:
      - .env
    environment:
      - SERVER_NAME=${DOMAIN}
      - SERVER_HOST=https://${DOMAIN}
      # Allow explicit env var override for tests
      - SMTP_HOST=${SMTP_HOST}
    build:
      context: ./backend
      dockerfile: celeryworker.dockerfile
  
  frontend:
    image: '${DOCKER_IMAGE_FRONTEND}:${TAG-latest}'
    build:
      context: ./frontend
      args:
        FRONTEND_ENV: ${FRONTEND_ENV-production}
    deploy:
      labels:
        - traefik.frontend.rule=PathPrefix:/
        - traefik.enable=true
        - traefik.port=80
        - traefik.tags=${TRAEFIK_TAG}

volumes:
  app-db-data:

networks:
  traefik-public:
    # Allow setting it to false for testing
    external: ${TRAEFIK_PUBLIC_NETWORK_IS_EXTERNAL-true}