Program.cs

using System.IO;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;

namespace WebApplication1
{
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateWebHostBuilder(args).Build().Run();
        }

        public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
            WebHost.CreateDefaultBuilder(args)
             .UseUrls("http://localhost:5055")
             .UseStartup<Startup>();

        public class Startup
        {
            public void Configure(IApplicationBuilder app, IHostingEnvironment env)
            {
                app.Run(async (context) =>
                {
                    // Herhangi bir şey dönmeyecek kodunu buraya ekle
                    await context.Response.WriteAsync("İşlem tamamlandı.");
                });
            }
        }
    }
}