warning ASPDEPR008: 'IWebHost' is obsolete: 'IWebHost is obsolete. Use IHost instead. For more information, visit https://aka.ms/aspnet/deprecate/008.' (https://aka.ms/aspnet/deprecate/008)

warning ASPDEPR008: 'WebHost' is obsolete: 'WebHost is obsolete. Use HostBuilder or WebApplicationBuilder instead. For more information, visit https://aka.ms/aspnet/deprecate/008.' (https://aka.ms/aspnet/deprecate/008)

warning ASPDEPR008: 'IWebHostBuilder.Build()' is obsolete: 'IWebHost is obsolete. Use IHost instead. For more information, visit https://aka.ms/aspnet/deprecate/008.' (https://aka.ms/aspnet/deprecate/008)

namespace WebApi
{
    public class Program
    {
        public static void Main(string[] args)
        {
            BuildWebHost(args).Run();
        }

        public static IWebHost BuildWebHost(string[] args)
        {
            return WebHost.CreateDefaultBuilder(args)
                .UseStartup<Startup>()
                .Build();
        }
    }
}

using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Hosting;

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

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>();
                });
    }
}