docker-compose.yml

services:
  postgres:
    image: postgres:16-alpine
    container_name: blog-postgres
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-blog}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-blog123}
      POSTGRES_DB: ${POSTGRES_DB:-blog}
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-blog}"]
      interval: 5s
      timeout: 3s
      retries: 5

  redis:
    image: redis:7-alpine
    container_name: blog-redis
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 3s
      retries: 5

  rabbitmq:
    image: rabbitmq:3.13-management-alpine
    container_name: blog-rabbitmq
    environment:
      RABBITMQ_DEFAULT_USER: ${RABBITMQ_USER:-guest}
      RABBITMQ_DEFAULT_PASS: ${RABBITMQ_PASSWORD:-guest}
    ports:
      - "5672:5672"    # AMQP 协议端口
      - "15672:15672"  # 管理面板
    volumes:
      - rabbitmq_data:/var/lib/rabbitmq
    healthcheck:
      test: ["CMD", "rabbitmqctl", "status"]
      interval: 10s
      timeout: 5s
      retries: 5

  elasticsearch:
    image: elasticsearch:7.17.24
    container_name: blog-elasticsearch
    environment:
      - discovery.type=single-node
      - ES_JAVA_OPTS=-Xms256m -Xmx256m
      - xpack.security.enabled=false
    ports:
      - "9200:9200"
    volumes:
      - es_data:/usr/share/elasticsearch/data
    healthcheck:
      test: ["CMD-SHELL", "curl -f http://localhost:9200/_cluster/health || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 10

  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: blog-backend
    ports:
      - "8080:8080"
    environment:
      # JWT 密钥必须通过宿主机 .env 注入，缺失时 docker compose 将直接报错
      - JWT_SECRET=${JWT_SECRET:?JWT_SECRET 未设置，请在 .env 中配置至少 32 位随机字符串}
      # 是否启动时自动执行 schema 迁移（生产/多副本推荐关闭，改为手动跑 cmd/migrate）
      - AUTO_MIGRATE_ON_STARTUP=${AUTO_MIGRATE_ON_STARTUP:-true}
      # config.docker.yaml 里这些连接信息为空，必须由环境变量注入（与基础设施服务保持一致）
      - POSTGRES_HOST=postgres
      - POSTGRES_USER=${POSTGRES_USER:-blog}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-blog123}
      - POSTGRES_DB=${POSTGRES_DB:-blog}
      - REDIS_HOST=redis
      - RABBITMQ_HOST=rabbitmq
      - RABBITMQ_USER=${RABBITMQ_USER:-guest}
      - RABBITMQ_PASSWORD=${RABBITMQ_PASSWORD:-guest}
      - ELASTICSEARCH_URL=http://elasticsearch:9200
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
      rabbitmq:
        condition: service_healthy
      elasticsearch:
        condition: service_healthy
    healthcheck:
      test: ["CMD-SHELL", "wget -qO- http://localhost:8080/health || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 5

  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
      args:
        - NEXT_PUBLIC_API_BASE=/api/v1
        - BACKEND_URL=http://backend:8080
    container_name: blog-frontend
    environment:
      # Next 侧 rewrites 的目标：服务端反向代理到后端容器
      - BACKEND_URL=http://backend:8080
    ports:
      - "3000:3000"
    depends_on:
      backend:
        condition: service_healthy

volumes:
  postgres_data:
  redis_data:
  rabbitmq_data:
  es_data: