init: EZOps AIOps 智能运维平台

- 前端: React 18 + TypeScript + Vite + Tailwind CSS + shadcn/ui
- 后端: Go + Gin + GORM + JWT (golang-jwt/jwt/v5)
- 功能: 服务器管理、K8s集群、监控告警、CI/CD、自动化运维、审批流程、审计日志
- 文档: 设计文档(ROADMAP/PDD/架构/模块)

backend/cmd/main.go

@@ -0,0 +1,139 @@
+package main
+
+import (
+	"context"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"ezops/internal/api/routes"
+	"ezops/internal/config"
+	"ezops/pkg/database"
+	"ezops/pkg/logger"
+
+	"github.com/gin-gonic/gin"
+	"go.uber.org/zap"
+)
+
+// 版本信息（通过编译时 ldflags 注入）
+var (
+	Version   = "dev"
+	BuildTime = "unknown"
+	GitCommit = "unknown"
+)
+
+// @title AIOps运维平台 API
+// @version 1.0
+// @description AIOps智能运维平台后端API文档
+// @termsOfService http://swagger.io/terms/
+
+// @contact.name API Support
+// @contact.url http://www.swagger.io/support
+// @contact.email support@swagger.io
+
+// @license.name Apache 2.0
+// @license.url http://www.apache.org/licenses/LICENSE-2.0.html
+
+// @host localhost:8080
+// @BasePath /api/v1
+
+// @securityDefinitions.apikey Bearer
+// @in header
+// @name Authorization
+// @description Type "Bearer" followed by a space and JWT token.
+
+func main() {
+	// 加载配置
+	cfg := config.Load()
+
+	// 初始化日志
+	log := logger.New(cfg.LogLevel)
+	defer log.Sync()
+
+	// 设置Gin模式
+	if cfg.Mode == "production" {
+		gin.SetMode(gin.ReleaseMode)
+	}
+
+	// 初始化数据库
+	db, err := database.New(cfg.Database)
+	if err != nil {
+		log.Fatal("failed to connect database", zap.Error(err))
+	}
+
+	// 自动迁移
+	if err := database.AutoMigrate(db); err != nil {
+		log.Fatal("failed to migrate database", zap.Error(err))
+	}
+
+	// 创建Gin实例
+	r := gin.New()
+
+	// 中间件
+	r.Use(gin.Recovery())
+	r.Use(logger.GinLogger(log))
+	r.Use(CORS())
+
+	// 版本信息 API
+	r.GET("/version", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{
+			"version":    Version,
+			"build_time": BuildTime,
+			"git_commit": GitCommit,
+		})
+	})
+
+	// 注册路由
+	routes.Register(r, db, log, cfg)
+
+	// 创建HTTP服务器
+	srv := &http.Server{
+		Addr:    ":" + cfg.Port,
+		Handler: r,
+	}
+
+	// 优雅关闭
+	go func() {
+		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			log.Fatal("failed to start server", zap.Error(err))
+		}
+	}()
+
+	log.Info("server started", zap.String("port", cfg.Port))
+
+	// 等待中断信号
+	quit := make(chan os.Signal, 1)
+	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
+	<-quit
+
+	log.Info("shutting down server...")
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := srv.Shutdown(ctx); err != nil {
+		log.Fatal("server forced to shutdown", zap.Error(err))
+	}
+
+	log.Info("server exited")
+}
+
+// CORS 跨域中间件
+func CORS() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
+		c.Writer.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, PATCH, OPTIONS")
+		c.Writer.Header().Set("Access-Control-Allow-Headers", "Origin, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization")
+		c.Writer.Header().Set("Access-Control-Expose-Headers", "Content-Length")
+		c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
+
+		if c.Request.Method == "OPTIONS" {
+			c.AbortWithStatus(204)
+			return
+		}
+
+		c.Next()
+	}
+}