static async Task Main(string[] args) { Server server = null; try { server = new Server() { Services = { GreetingService.BindService(new GreetingServiceImpl()), CalculatorService.BindService(new CalculatorServiceImpl()), CounterService.BindService(new CounterServiceImpl()), UploadService.BindService(new UploadServiceImpl()), ConversationService.BindService(new ConversationServiceImpl()) }, Ports = { new ServerPort("localhost", Port, ServerCredentials.Insecure) } }; server.Start(); Console.WriteLine($"The server is listening on the port : {Port}"); Console.ReadKey(); } catch (IOException ex) { Console.WriteLine($"The server failed to start : {ex.Message}"); throw; } finally { if (server != null) { await server.ShutdownAsync(); } } }