dotnet new worker

<Project Sdk="Microsoft.NET.Sdk.Worker">
  <PropertyGroup>
    <TargetFramework>netcoreapp3.0</TargetFramework>
    <UserSecretsId>dotnet-MyWorkerServiceApp-B76DB08E-FFBB-4AD1-89B5-93BF483D1BD0</UserSecretsId>
  </PropertyGroup>
  <ItemGroup>
    <PackageReference Include="Microsoft.Extensions.Hosting" Version="3.0.0-preview8.19405.4" />
  </ItemGroup>
</Project>

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

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureServices((hostContext, services) =>
                {
                    services.AddHostedService<Worker>();
                });
    }
}

    public class Worker : BackgroundService
    {
        private readonly ILogger<Worker> _logger;

        public Worker(ILogger<Worker> logger)
        {
            _logger = logger;
        }

        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
            while (!stoppingToken.IsCancellationRequested)
            {
                _logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
                await Task.Delay(1000, stoppingToken);
            }
        }
    }

public static IHostBuilder CreateHostBuilder(string[] args) => 
            Host.CreateDefaultBuilder(args) 
                .UseWindowsService() 
                .ConfigureServices((hostContext, services) => 
                { 
                   //services.AddHttpClient(); 
                   services.AddHostedService<Worker>(); 
                });

 .\Provision-AutoGenKeys.ps1 DefaultAppPool

public void ConfigureServices(IServiceCollection services)
{
   services.AddDataProtection()
    .PersistKeysToFileSystem(new DirectoryInfo(@"\\server\share\directory\"))
    .ProtectKeysWithCertificate("thumbprint");
}

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <TargetFramework>netcoreapp3.1</TargetFramework>
    <NoWarn>RCS1090</NoWarn>
  </PropertyGroup>
  <ItemGroup>
    <ProjectReference Include="..\ASPNETCore2JwtAuthentication.WebApp\ASPNETCore2JwtAuthentication.WebApp.csproj" />
  </ItemGroup>
  <ItemGroup>
    <None Include="..\ASPNETCore2JwtAuthentication.WebApp\appsettings.json" CopyToOutputDirectory="PreserveNewest" />
  </ItemGroup>
  <ItemGroup>
    <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c329}" />
  </ItemGroup>
  <ItemGroup>
    <PackageReference Include="fluentassertions" Version="5.10.3" />
    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="3.1.8" />
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
    <PackageReference Include="MSTest.TestAdapter" Version="2.1.2" />
    <PackageReference Include="MSTest.TestFramework" Version="2.1.2" />
  </ItemGroup>
</Project>

using ASPNETCore2JwtAuthentication.WebApp;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc.Testing;
using Microsoft.AspNetCore.TestHost;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Extensions.Hosting;

namespace ASPNETCore2JwtAuthentication.IntegrationTests
{
    public class CustomWebApplicationFactory : WebApplicationFactory<Program>
    {
        protected override IWebHostBuilder CreateWebHostBuilder()
        {
            var builder = base.CreateWebHostBuilder();
            builder.ConfigureLogging(logging =>
            {
                //TODO: ...
            });
            return builder;
        }

        protected override void ConfigureWebHost(IWebHostBuilder builder)
        {
            builder.ConfigureTestServices(services =>
            {
                // Don't run `IHostedService`s when running as a test
                services.RemoveAll(typeof(IHostedService));
            });
        }
    }
}

using System;
using System.Threading;
using System.Net.Http;

namespace ASPNETCore2JwtAuthentication.IntegrationTests
{
    public static class TestsHttpClient
    {
        private static readonly Lazy<HttpClient> _serviceProviderBuilder =
                new Lazy<HttpClient>(getHttpClient, LazyThreadSafetyMode.ExecutionAndPublication);

        /// <summary>
        /// A lazy loaded thread-safe singleton
        /// </summary>
        public static HttpClient Instance { get; } = _serviceProviderBuilder.Value;

        private static HttpClient getHttpClient()
        {
            var services = new CustomWebApplicationFactory();
            return services.CreateClient(); //NOTE: This action is very time consuming, so it should be defined as a singleton.
        }
    }
}

using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using FluentAssertions;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace ASPNETCore2JwtAuthentication.IntegrationTests
{
    [TestClass]
    public class JwtTests
    {
        [TestMethod]
        public async Task TestLoginWorks()
        {
            // Arrange
            var client = TestsHttpClient.Instance;

            // Act
            var token = await doLoginAsync(client);

            // Assert
            token.Should().NotBeNull();
            token.AccessToken.Should().NotBeNullOrEmpty();
            token.RefreshToken.Should().NotBeNullOrEmpty();
        }

        [TestMethod]
        public async Task TestCallProtectedApiWorks()
        {
            // Arrange
            var client = TestsHttpClient.Instance;

            // Act
            var token = await doLoginAsync(client);

            // Assert
            token.Should().NotBeNull();
            token.AccessToken.Should().NotBeNullOrEmpty();
            token.RefreshToken.Should().NotBeNullOrEmpty();

            // Act
            const string protectedApiUrl = "/api/MyProtectedApi";
            client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token.AccessToken);
            var response = await client.GetAsync(protectedApiUrl);
            response.EnsureSuccessStatusCode();

            // Assert
            var responseString = await response.Content.ReadAsStringAsync();
            responseString.Should().NotBeNullOrEmpty();
            var options = new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase };
            var apiResponse = JsonSerializer.Deserialize<MyProtectedApiResponse>(responseString, options);
            apiResponse.Title.Should().NotBeNullOrEmpty();
            apiResponse.Title.Should().Be("Hello from My Protected Controller! [Authorize]");
        }

        private static async Task<Token> doLoginAsync(HttpClient client)
        {
            const string loginUrl = "/api/account/login";
            var user = new { Username = "Vahid", Password = "1234" };
            var response = await client.SendAsync(new HttpRequestMessage(HttpMethod.Post, loginUrl)
            {
                Content = new StringContent(JsonSerializer.Serialize(user), Encoding.UTF8, "application/json")
            });
            response.EnsureSuccessStatusCode();
            var responseString = await response.Content.ReadAsStringAsync();
            responseString.Should().NotBeNullOrEmpty();
            return JsonSerializer.Deserialize<Token>(responseString);
        }
    }
}
 

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

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

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>();
            }; 
    }
}

var builder = WebApplication.CreateBuilder(args);
builder.Services.AddRazorPages();
var app = builder.Build();
if (app.Environment.IsDevelopment())
{
   app.UseDeveloperExceptionPage();
}
app.UseStaticFiles();
app.MapGet("/", () => "Hello World!");
app.MapRazorPages();
app.Run();

var hostBuilder = Host.CreateDefaultBuilder(args)
    .ConfigureServices(services => 
    {
        services.AddRazorPages();
    })
    .ConfigureWebHostDefaults(webBuilder =>
    {
        webBuilder.Configure((ctx, app) => 
        {
            if (ctx.HostingEnvironment.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            app.UseStaticFiles();
            app.UseRouting();
            app.UseEndpoints(endpoints =>
            {
                endpoints.MapGet("/", () => "Hello World!");
                endpoints.MapRazorPages();
            });
        });
    }); 
hostBuilder.Build().Run();

 var builder = WebApplication.CreateBuilder(args);

builder.Services.AddRazorPages();
builder.Services.AddSingleton<MyThingy>();

builder.Logging.AddFile();

var app = builder.Build();

app.UseStaticFiles();
app.MapRazorPages();

<pages validaterequest="false"></pages>

[Required]
[StringLength(50)]
[RegularExpression(@"^[a-zA-Z0-9 -']*$")]
public string Name {get;set;}

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