services:
  app:
    build: .
    ports:
      - "8000:8000"
    env_file: .env
    environment:
      # compose 内网地址覆盖 .env 里的 127.0.0.1
      MYSQL_DSN: mysql+aiomysql://root:root@mysql:3306/app?charset=utf8mb4
      MONGO_DSN: mongodb://mongo:27017
    depends_on:
      - mysql
      - mongo

  mysql:
    image: mysql:8.0
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_DATABASE: app
    ports:
      - "3306:3306"
    volumes:
      - mysql_data:/var/lib/mysql

  mongo:
    image: mongo:8.0
    ports:
      - "27017:27017"
    volumes:
      - mongo_data:/data/db

volumes:
  mysql_data:
  mongo_data: