로그 수정

main.go

@@ -21,23 +21,27 @@ func main() {
 	logger.Println("build revision =", revision)
 
 	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
 	mg, err := core.New(ctx)
 	if err != nil {
 		logger.Error("core.New failed :", err)
-		panic(err)
+		return
 	}
+	defer mg.Destructor()
 
 	serveMux := http.NewServeMux()
 	if err := mg.RegisterHandlers(ctx, serveMux, *prefix); err != nil {
 		logger.Error("RegisterHandlers failed :", err)
-		panic(err)
+		return
 	}
 
 	server := gocommon.NewHTTPServer(serveMux)
 	logger.Println("maingate is started")
+
 	if err := server.Start(); err != nil {
 		logger.Error("maingate is stopped with error :", err)
 	}
-	cancel()
-	mg.Destructor()
+
+	logger.Println("maingate is terminated")
 }