server1.go

func main() {
	// Configure 'log' package to give file name and line number on eg. log.Fatal
	// Pipe flags to one another (log.LstdFLags = log.Ldate | log.Ltime)
	log.SetFlags(log.LstdFlags | log.Lshortfile)
	fmt.Println("Starting server on port :50051...")

	// Start our listener, 50051 is the default gRPC port
	listener, err := net.Listen("tcp", ":50051")
	// Handle errors if any
	if err != nil {
		log.Fatalf("Unable to listen on port :50051: %v", err)
	}
}