version: '3.1'

services:
  db:
    image: mysql:latest
    volumes:
      - ./db_data:/var/lib/mysql
    environment:
      MYSQL_ROOT_PASSWORD_FILE: /run/secrets/db_root_password
      MYSQL_DATABASE: nymph
      MYSQL_USER: nymph
      MYSQL_PASSWORD_FILE: /run/secrets/db_password
    secrets:
      - db_root_password
      - db_password

  mta:
    build:
      context: .
      dockerfile: Dockerfile-mta
    volumes:
      - ./mail:/var/spool/postfix

  # This app doesn't use PubSub.
  # pubsub:
  #   depends_on:
  #     - db
  #   build:
  #     context: .
  #     dockerfile: Dockerfile-pubsub
  #   volumes:
  #     - ./app:/nymph
  #   command: ["./wait-for-it.sh", "db:3306", "--", "php", "/nymph/pubsub.php"]
  #   ports:
  #     - "8081:8080"
  #   environment:
  #     MYSQL_HOST: db:3306
  #     MYSQL_DATABASE: nymph
  #     MYSQL_USER: nymph
  #     MYSQL_PASSWORD_FILE: /run/secrets/db_password
  #   secrets:
  #     - db_password

  web:
    depends_on:
      - db
      - mta
      # - pubsub
    build:
      context: .
      dockerfile: Dockerfile-web
    volumes:
      - ./app:/var/www/html
    ports:
      - "8080:80"
    environment:
      MYSQL_HOST: db:3306
      MYSQL_DATABASE: nymph
      MYSQL_USER: nymph
      MYSQL_PASSWORD_FILE: /run/secrets/db_password
      PUBSUB_HOST: pubsub:8080
    secrets:
      - db_password


secrets:
  db_password:
    file: db_password.txt
  db_root_password:
    file: db_root_password.txt