# ============================================
# FastapiAdmin Docker Compose 配置文件
# ============================================
# 使用方式:
#   开发环境: docker compose --env-file .env up -d
#   生产环境: docker compose --env-file .env -f docker-compose.yaml up -d
# ============================================

services:
  # ==================== 数据库服务 ====================
  mysql:
    container_name: mysql
    image: mysql:8.0
    restart: unless-stopped
    platform: linux/amd64
    environment:
      TZ: "Asia/Shanghai"
      MYSQL_ROOT_PASSWORD: "${MYSQL_ROOT_PASSWORD:?错误: 请设置 MYSQL_ROOT_PASSWORD 环境变量}"
      MYSQL_DATABASE: "${MYSQL_DATABASE:-fastapiadmin}"
      MYSQL_USER: "${MYSQL_USER:-fastapiadmin}"
      MYSQL_PASSWORD: "${MYSQL_PASSWORD:?错误: 请设置 MYSQL_PASSWORD 环境变量}"
    ports:
      - "${MYSQL_PORT:-3306}:3306"
    volumes:
      - mysql_data:/var/lib/mysql
      - /etc/localtime:/etc/localtime:ro
      # 首次启动时自动执行 init SQL 脚本
      - ./mysql/init:/docker-entrypoint-initdb.d:ro
    networks:
      - app_network
    healthcheck:
      test:
        ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "root", "-p${MYSQL_ROOT_PASSWORD}"]
      interval: 10s
      timeout: 10s
      retries: 10
      start_period: 30s
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"
    deploy:
      resources:
        limits:
          memory: 1g
        reservations:
          memory: 256m

  # ==================== Redis 服务 ====================
  redis:
    container_name: redis
    image: redis:7-alpine
    restart: unless-stopped
    platform: linux/amd64
    environment:
      TZ: "Asia/Shanghai"
    ports:
      - "${REDIS_PORT:-6379}:6379"
    volumes:
      - redis_data:/data
      # 挂载自定义 redis.conf（若存在则覆盖默认配置）
      - ./redis/conf/redis.conf:/usr/local/etc/redis/redis.conf:ro
    command: >
      redis-server /usr/local/etc/redis/redis.conf
      --requirepass ${REDIS_PASSWORD:?错误: 请设置 REDIS_PASSWORD 环境变量}
    networks:
      - app_network
    healthcheck:
      test:
        ["CMD", "redis-cli", "-a", "${REDIS_PASSWORD}", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"
    deploy:
      resources:
        limits:
          memory: 512m
        reservations:
          memory: 128m

  # ==================== 后端服务 ====================
  backend:
    container_name: backend
    build:
      context: ../
      dockerfile: ./docker/backend/Dockerfile
      args:
        DEPLOY_ENV: "${DEPLOY_ENV:-prod}"
    image: "backend:${BACKEND_IMAGE_TAG:-3.0.0}"
    restart: unless-stopped
    platform: linux/amd64
    environment:
      TZ: "Asia/Shanghai"
      # 运行环境，对应 backend/env/.env.{dev,prod}
      ENVIRONMENT: "${DEPLOY_ENV:-prod}"
      # MySQL 连接配置
      DATABASE_HOST: "mysql"
      DATABASE_PORT: "3306"
      DATABASE_USER: "${MYSQL_USER:-fastapiadmin}"
      DATABASE_PASSWORD: "${MYSQL_PASSWORD:?错误: 请设置 MYSQL_PASSWORD 环境变量}"
      DATABASE_NAME: "${MYSQL_DATABASE:-fastapiadmin}"
      # Redis 连接配置
      REDIS_HOST: "redis"
      REDIS_PORT: "6379"
      REDIS_PASSWORD: "${REDIS_PASSWORD}"
      REDIS_DB_NAME: "1"
      REDIS_ENABLE: "true"
      # 日志级别
      LOGGER_LEVEL: "${LOGGER_LEVEL:-INFO}"
    ports:
      - "${BACKEND_PORT:-8001}:8001"
    volumes:
      # ── 注意 ──────────────────────────────────
      # 以下挂载将宿主机代码覆盖容器内代码，实现热更新。
      # 生产环境建议注释掉该行，使用镜像内自带的代码。
      # ─────────────────────────────────────────
      - ../backend:/home
    depends_on:
      mysql:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - app_network
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "python -c 'import urllib.request; urllib.request.urlopen(\"http://localhost:8001/common/health\")' || exit 1",
        ]
      interval: 15s
      timeout: 10s
      retries: 5
      start_period: 40s
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"
    deploy:
      resources:
        limits:
          memory: 1g
          cpus: "1.0"
        reservations:
          memory: 256m

  # ==================== Nginx 服务 ====================
  nginx:
    container_name: nginx
    image: nginx:1.25-alpine
    restart: unless-stopped
    platform: linux/amd64
    environment:
      TZ: "Asia/Shanghai"
    ports:
      - "${HTTP_PORT:-80}:80"
      - "${HTTPS_PORT:-443}:443"
    volumes:
      - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
      - ./nginx/web:/usr/share/nginx/html/web:ro
      - ./nginx/ssl:/etc/nginx/ssl:ro
      # 按需启用（取消注释）：
      - ./nginx/app:/usr/share/nginx/html/app:ro
      - ./nginx/docs:/usr/share/nginx/html/docs:ro
    depends_on:
      backend:
        condition: service_started
    networks:
      - app_network
    healthcheck:
      test: ["CMD", "nginx", "-t"]
      interval: 30s
      timeout: 5s
      retries: 3
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"
    deploy:
      resources:
        limits:
          memory: 256m
          cpus: "0.5"
        reservations:
          memory: 64m

# ==================== 持久化卷 ====================
volumes:
  mysql_data:
    driver: local
    driver_opts:
      type: none
      device: ./mysql/data
      o: bind
  redis_data:
    driver: local
    driver_opts:
      type: none
      device: ./redis/data
      o: bind

# ==================== 网络 ====================
networks:
  app_network:
    driver: bridge