backend/cmd/server/main.go

package main

import (
	"context"
	"fmt"
	"os"
	"os/signal"
	"syscall"
	"time"

	"go.uber.org/zap"
)

func main() {
	// 初始化应用程序（Wire 自动生成）
	app, err := InitializeApp()
	if err != nil {
		fmt.Fprintf(os.Stderr, "failed to initialize app: %v\n", err)
		os.Exit(1)
	}

	// 启动应用程序
	ctx := context.Background()
	if err := app.Start(ctx); err != nil {
		app.Logger.Fatal("failed to start app",
			zap.Error(err),
		)
	}

	// 优雅关闭
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
	<-quit

	shutdownCtx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	if err := app.Stop(shutdownCtx); err != nil {
		app.Logger.Error("Error during shutdown",
			zap.Error(err),
		)
	}
}