package controller import (	"os"	"time" 	"github.com/TwiN/gatus/v5/api"	"github.com/TwiN/gatus/v5/config"	"github.com/TwiN/logr"	"github.com/gofiber/fiber/v2") var (	app *fiber.App) // Handle creates the router and starts the serverfunc Handle(cfg *config.Config) {	api := api.New(cfg)	app = api.Router()	server := app.Server()	server.ReadTimeout = 15 * time.Second	server.WriteTimeout = 15 * time.Second	server.IdleTimeout = 15 * time.Second	if os.Getenv("ROUTER_TEST") == "true" {		return	}	logr.Info("[controller.Handle] Listening on " + cfg.Web.SocketAddress())	if cfg.Web.HasTLS() {		err := app.ListenTLS(cfg.Web.SocketAddress(), cfg.Web.TLS.CertificateFile, cfg.Web.TLS.PrivateKeyFile)		if err != nil {			logr.Fatalf("[controller.Handle] %s", err.Error())		}	} else {		err := app.Listen(cfg.Web.SocketAddress())		if err != nil {			logr.Fatalf("[controller.Handle] %s", err.Error())		}	}	logr.Info("[controller.Handle] Server has shut down successfully")} // Shutdown stops the serverfunc Shutdown() {	if app != nil {		_ = app.Shutdown()		app = nil	}}