Some rework

Program.cs

@@ -1,28 +1,17 @@
-var builder = WebApplication.CreateBuilder(args);
-
-// Add services to the container.
-builder.Services.AddRazorPages();
-
-var app = builder.Build();
-
-// Configure the HTTP request pipeline.
-if (!app.Environment.IsDevelopment())
+using Microsoft.AspNetCore.Hosting;
+using yaflay.ru;
+public class Program
 {
-    app.UseExceptionHandler("/Error");
-    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
-    app.UseHsts();
-}
-app.UseRouting();
-app.UseHttpsRedirection();
-app.UseStaticFiles();
-app.UseEndpoints(endpoints =>
-{
-    endpoints.MapControllers();
-});
-app.UseRouting();
+    public static void Main() => CreateHostBuilder()
+        .Build()
+        .Run();
+    private static IHostBuilder CreateHostBuilder()
+    {
+        return Host.CreateDefaultBuilder()
+        .ConfigureWebHost(webHost => {
+            webHost.UseStartup<Startup>();
+            webHost.UseKestrel(kestrelOptions => { kestrelOptions.ListenAnyIP(80); });
+        });
 
-app.UseAuthorization();
-
-app.MapRazorPages();
-
-app.Run();
+    }
+}