version: '3.8'

services:
  app:
    build:
      context: ..
      dockerfile: deployment/Dockerfile
    ports:
      - "8111:8000"
    environment:
      - APP_ENV=development
      - LOG_LEVEL=INFO
      - METRICS_ENABLED=true
      # 方案1：Pushgateway 配置
      - PUSHGATEWAY_URL=pushgateway:9091
      - METRICS_JOB_NAME=functional_scaffold
      # 方案2：Redis 配置
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - REDIS_METRICS_DB=0
    volumes:
      - ../src:/app/src
    restart: unless-stopped
    depends_on:
      - redis
      - pushgateway
    healthcheck:
      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/healthz')"]
      interval: 30s
      timeout: 3s
      retries: 3
      start_period: 5s

  # Redis - 用于集中式指标存储（方案2）
  redis:
    image: redis:7-alpine
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
    command: redis-server --appendonly yes
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 3s
      retries: 3

  # Pushgateway - 用于短生命周期任务的指标推送（方案1，推荐）
  pushgateway:
    image: prom/pushgateway:latest
    ports:
      - "9091:9091"
    restart: unless-stopped
    command:
      - '--persistence.file=/data/pushgateway.data'
      - '--persistence.interval=5m'
    volumes:
      - pushgateway_data:/data

  # Redis Exporter - 将 Redis 指标导出为 Prometheus 格式（方案2需要）
  redis-exporter:
    build:
      context: ..
      dockerfile: deployment/Dockerfile.redis-exporter
    ports:
      - "8001:8001"
    environment:
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - REDIS_METRICS_DB=0
    depends_on:
      - redis
    restart: unless-stopped

  prometheus:
    image: prom/prometheus:latest
    ports:
      - "9090:9090"
    volumes:
      - ../monitoring/prometheus.yml:/etc/prometheus/prometheus.yml
      - prometheus_data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
    restart: unless-stopped
    depends_on:
      - pushgateway
      - redis-exporter

  grafana:
    image: grafana/grafana:latest
    ports:
      - "3000:3000"
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=admin
    volumes:
      - grafana_data:/var/lib/grafana
      - ../monitoring/grafana:/etc/grafana/provisioning
    restart: unless-stopped
    depends_on:
      - prometheus

volumes:
  prometheus_data:
  grafana_data:
  redis_data:
  pushgateway_data: