# ============================================================
# Weather Data System - Docker Compose 部署编排
#
# 前置条件:
#   1. 安装 Docker Engine 20.10+ 和 Docker Compose v2
#   2. 复制 .env 文件并修改配置
#   3. 确保 JAR 文件已构建到对应 target/ 目录
#   4. 确保前端已构建到 weather-data-ui/dist/
#
# 启动:   docker compose up -d
# 停止:   docker compose down
# 日志:   docker compose logs -f [服务名]
# ============================================================

services:

  # ==========================================================
  # MySQL 数据库
  # ==========================================================
  mysql:
    image: mysql:8.0
    container_name: weather-mysql
    restart: unless-stopped
    environment:
      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
      MYSQL_DATABASE: ${MYSQL_DATABASE:-weather_data_system}
      MYSQL_USER: ${MYSQL_USER:-weather}
      MYSQL_PASSWORD: ${MYSQL_PASSWORD}
      TZ: Asia/Shanghai
    ports:
      - "${MYSQL_PORT:-3306}:3306"
    volumes:
      - mysql-data:/var/lib/mysql
      - ./deploy/mysql/init:/docker-entrypoint-initdb.d:ro  # 初始化 SQL
    command:
      - --character-set-server=utf8mb4
      - --collation-server=utf8mb4_unicode_ci
      - --default-time-zone=+08:00
      - --max-allowed-packet=128M
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "root", "-p${MYSQL_ROOT_PASSWORD}"]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 60s
    networks:
      - weather-net

  # ==========================================================
  # Redis 缓存
  # ==========================================================
  redis:
    image: redis:7-alpine
    container_name: weather-redis
    restart: unless-stopped
    command:
      - redis-server
      - --appendonly yes
      - --requirepass ${REDIS_PASSWORD}
    ports:
      - "${REDIS_PORT:-6379}:6379"
    volumes:
      - redis-data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "-a", "${REDIS_PASSWORD}", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - weather-net

  # ==========================================================
  # 管理后台 (Spring Boot Admin)
  # ==========================================================
  admin:
    build:
      context: ./system-admin
      dockerfile: Dockerfile
    image: weather-data-admin:${APP_VERSION:-latest}
    container_name: weather-admin
    restart: unless-stopped
    depends_on:
      mysql:
        condition: service_healthy
      redis:
        condition: service_healthy
    environment:
      SPRING_PROFILES_ACTIVE: ${SPRING_PROFILES_ACTIVE:-prod}
      JAVA_OPTS: ${JAVA_OPTS:--Xms256m -Xmx512m -XX:+UseG1GC}
      TZ: Asia/Shanghai
      # 覆盖 application.yml 中的数据库/Redis 配置
      SPRING_DATASOURCE_DRUID_URL: jdbc:mysql://mysql:3306/${MYSQL_DATABASE:-weather_data_system}?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&nullCatalogMeansCurrent=true&rewriteBatchedStatements=true
      SPRING_DATASOURCE_DRUID_USERNAME: ${MYSQL_USER:-weather}
      SPRING_DATASOURCE_DRUID_PASSWORD: ${MYSQL_PASSWORD}
      SPRING_DATA_REDIS_HOST: redis
      SPRING_DATA_REDIS_PORT: 6379
      SPRING_DATA_REDIS_PASSWORD: ${REDIS_PASSWORD}
    ports:
      - "${ADMIN_PORT:-8080}:8080"
    volumes:
      - admin-logs:/app/logs
      - admin-uploads:/app/upload
    networks:
      - weather-net

  # ==========================================================
  # API 服务
  # ==========================================================
  api:
    build:
      context: ./system-api
      dockerfile: Dockerfile
    image: weather-data-api:${APP_VERSION:-latest}
    container_name: weather-api
    restart: unless-stopped
    depends_on:
      mysql:
        condition: service_healthy
      redis:
        condition: service_healthy
    environment:
      SPRING_PROFILES_ACTIVE: ${SPRING_PROFILES_ACTIVE:-prod}
      JAVA_OPTS: ${JAVA_OPTS:--Xms256m -Xmx512m -XX:+UseG1GC}
      TZ: Asia/Shanghai
      SPRING_DATASOURCE_DRUID_URL: jdbc:mysql://mysql:3306/${MYSQL_DATABASE:-weather_data_system}?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&nullCatalogMeansCurrent=true&rewriteBatchedStatements=true
      SPRING_DATASOURCE_DRUID_USERNAME: ${MYSQL_USER:-weather}
      SPRING_DATASOURCE_DRUID_PASSWORD: ${MYSQL_PASSWORD}
      SPRING_DATA_REDIS_HOST: redis
      SPRING_DATA_REDIS_PORT: 6379
      SPRING_DATA_REDIS_PASSWORD: ${REDIS_PASSWORD}
    ports:
      - "${API_PORT:-8081}:8081"
    volumes:
      - api-logs:/app/logs
      - api-uploads:/app/upload
    networks:
      - weather-net

  # ==========================================================
  # 前端 UI
  # ==========================================================
  ui:
    build:
      context: ./weather-data-ui
      dockerfile: ${UI_DOCKERFILE:-Dockerfile.offline}
    image: weather-data-ui:${APP_VERSION:-latest}
    container_name: weather-ui
    restart: unless-stopped
    depends_on:
      - admin
      - api
    networks:
      - weather-net

  # ==========================================================
  # Gateway - 统一入口 Nginx 反向代理
  # ==========================================================
  gateway:
    image: nginx:alpine
    container_name: weather-gateway
    restart: unless-stopped
    depends_on:
      - ui
      - admin
      - api
    ports:
      - "${GATEWAY_PORT:-80}:80"
    volumes:
      - ./deploy/nginx/nginx.conf:/etc/nginx/conf.d/default.conf:ro
      - gateway-logs:/var/log/nginx
    healthcheck:
      test: ["CMD", "wget", "-qO-", "http://localhost/"]
      interval: 30s
      timeout: 5s
      retries: 3
    networks:
      - weather-net

# ============================================================
# 数据卷 (持久化存储)
# ============================================================
volumes:
  mysql-data:
    name: weather-mysql-data
  redis-data:
    name: weather-redis-data
  admin-logs:
    name: weather-admin-logs
  admin-uploads:
    name: weather-admin-uploads
  api-logs:
    name: weather-api-logs
  api-uploads:
    name: weather-api-uploads
  gateway-logs:
    name: weather-gateway-logs

# ============================================================
# 网络
# ============================================================
networks:
  weather-net:
    name: weather-net
    driver: bridge