version: '3.8'

services:
  web:
    environment:
      - FLASK_DEBUG=true
      - DB_HOST=db
      - DB_USER=${DB_USER:-liaowang}
      - DB_PASSWORD=${DB_PASSWORD:-liaowang_secret}
      - DB_NAME=${DB_NAME:-liaowang_db}
    volumes:
      # 开发模式：挂载代码实现热重载
      - .:/app
      - /app/venv
    depends_on:
      db:
        condition: service_healthy
    # 开发模式不需要健康检查
    healthcheck:
      disable: true

  db:
    image: postgres:16-alpine
    container_name: liaowang-db
    environment:
      POSTGRES_DB: ${DB_NAME:-liaowang_db}
      POSTGRES_USER: ${DB_USER:-liaowang}
      POSTGRES_PASSWORD: ${DB_PASSWORD:-liaowang_secret}
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-liaowang}"]
      interval: 10s
      timeout: 5s
      retries: 5

volumes:
  postgres_data: