package main import ( "context" "os" "os/signal" "syscall" "time" ) func createSigChannel() (chan os.Signal, func()) { signalCh := make(chan os.Signal, 1) signal.Notify(signalCh, os.Interrupt, syscall.SIGTERM, syscall.SIGINT) return signalCh, func() { close(signalCh) } } func startGracefulShutdown(ctx context.Context, internalServices *internalServiceContainer) { ctx, cancel := context.WithTimeout(ctx, 5*time.Second) defer cancel() internalServices.pub.Close() if err := internalServices.apiService.Shutdown(ctx); err != nil { lo.Fatal("Could not gracefully shutdown api server", "err", err) } }