# 本地开发环境：docker compose up -d --build
# 镜像版本仅作示例，按项目需要调整
services:
  api:
    build: .
    ports:
      - "8080:8080"
    environment:
      DATABASE_URL: postgres://app:app@db:5432/app?sslmode=disable   # 服务名 db 就是主机名
      REDIS_URL: redis://redis:6379/0
    depends_on:
      db:
        condition: service_healthy   # 等数据库健康检查通过再启动
      redis:
        condition: service_started
    restart: unless-stopped

  db:
    image: postgres:17
    environment:
      POSTGRES_USER: app
      POSTGRES_PASSWORD: app        # 仅限本地开发；生产用密钥管理
      POSTGRES_DB: app
    volumes:
      - pgdata:/var/lib/postgresql/data   # 命名卷：容器删除后数据仍在
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U app -d app"]
      interval: 5s
      timeout: 3s
      retries: 10

  redis:
    image: redis:7-alpine

volumes:
  pgdata: