Native AOT minimal API in .NET Core 8

using System.Text.Json.Serialization;
using System.Diagnostics;
namespace NativeApi
{
  public class Program
  {
    public static void Main(string[] args)
    {
      var builder = WebApplication.CreateSlimBuilder(args);
      builder.Services.ConfigureHttpJsonOptions(options =>
      {
        options.SerializerOptions.TypeInfoResolverChain.Insert(0, AppJsonSerializerContext.Default);
      });
      builder.WebHost.ConfigureKestrel((context, serverOptions) =>
      {
        serverOptions.Listen(System.Net.IPAddress.Loopback, 5270);
      });
      var app = builder.Build();
      var lifetime = app.Services.GetRequiredService < IHostApplicationLifetime > ();
      lifetime.ApplicationStopped.Register(() =>
      {
        Console.WriteLine("Terminating application...");
        Process.GetCurrentProcess().Kill();
      });
      var sampleTodos = new Todo[]
      {
        new(1, "Walk the dog"),
        new(2, "Do the dishes", DateOnly.FromDateTime(DateTime.Now)),
        new(3, "Do the laundry", DateOnly.FromDateTime(DateTime.Now.AddDays(1))),
        new(4, "Clean the bathroom"),
        new(5, "Clean the car", DateOnly.FromDateTime(DateTime.Now.AddDays(2)))
      };
      var servicesApi = app.MapGroup("/services");
      var todosApi = app.MapGroup("/todos");
      servicesApi.MapGet("/stop", () =>
      {
        lifetime.StopApplication();
        return "Application is shutting down.";
      });
      todosApi.MapGet("/", () => sampleTodos);
      todosApi.MapGet("/{id}", (int id) => sampleTodos.FirstOrDefault(a => a.Id == id) is
        {}
        todo ? Results.Ok(todo) : Results.NotFound());
      Process.Start(new ProcessStartInfo
      {
        FileName = "cmd",
          WindowStyle = ProcessWindowStyle.Hidden,
          UseShellExecute = false,
          CreateNoWindow = true,
          Arguments = "/C start http://localhost:5270/todos" // Replace with your application's URL
      });
      app.Run();
    }
  }
  public record Todo(int Id, string ? Title, DateOnly ? DueBy = null, bool IsComplete = false);
  [JsonSerializable(typeof(Todo[]))]
  internal partial class AppJsonSerializerContext: JsonSerializerContext
  {}
}