Microsoft.Extensions.Hosting 9.0.13

About

Contains the .NET Generic Host HostBuilder which layers on the Microsoft.Extensions.Hosting.Abstractions package.

Key Features

  • Contains the .NET Generic Host HostBuilder.

How to Use

For a console app project:

    using (IHost host = new HostBuilder().Build())
    {
        var lifetime = host.Services.GetRequiredService<IHostApplicationLifetime>();
    
        lifetime.ApplicationStarted.Register(() =>
        {
            Console.WriteLine("Started");
        });
        lifetime.ApplicationStopping.Register(() =>
        {
            Console.WriteLine("Stopping firing");
            Console.WriteLine("Stopping end");
        });
        lifetime.ApplicationStopped.Register(() =>
        {
            Console.WriteLine("Stopped firing");
            Console.WriteLine("Stopped end");
        });
    
        host.Start();
    
        // Listens for Ctrl+C.
        host.WaitForShutdown();
    }

Main Types

The main types provided by this library are:

  • Microsoft.Extensions.Host.
  • Microsoft.Extensions.Hosting.HostApplicationBuilder
  • Microsoft.Extensions.Hosting.HostBuilder
  • Microsoft.Extensions.Hosting.IHostedService
  • Microsoft.Extensions.Hosting.IHostedLifecycleService

Additional Documentation

  • Microsoft.Extensions.Configuration
  • Microsoft.Extensions.DependencyInjection
  • Microsoft.Extensions.Hosting.Abstractions
  • Microsoft.Extensions.Logging
  • Microsoft.Extensions.Options

Feedback & Contributing

Microsoft.Extensions.Hosting is released as open source under the MIT license. Bug reports and contributions are welcome at the GitHub repository.

Showing the top 20 packages that depend on Microsoft.Extensions.Hosting.

Packages Downloads
Microsoft.AspNetCore.Mvc.Testing
Support for writing functional tests for MVC applications. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/954f61dd38b33caa2b736c73530bd5a294174437
 539
Aspire.Hosting.MongoDB
MongoDB support for Aspire.
 23
Aspire.Hosting.SqlServer
Microsoft SQL Server support for Aspire.
 22
Aspire.Hosting.MongoDB
MongoDB support for Aspire.
 22
Aspire.Hosting.Nats
NATS support for Aspire.
 21
Aspire.Hosting.SqlServer
Microsoft SQL Server support for Aspire.
 19
Aspire.Hosting.PostgreSQL
PostgreSQL® support for Aspire.
 19
SuperSocket.Server
SuperSocket server hosting library.
 19
Aspire.Hosting
Core abstractions for the Aspire application model.
 19
Aspire.Hosting.MongoDB
MongoDB support for .NET Aspire.
 18
SuperSocket.Server
SuperSocket server hosting library.
 17
Aspire.Hosting.Nats
NATS support for Aspire.
 17
Aspire.Hosting.AppHost
Core library and MSBuild logic for Aspire AppHost projects.
 17
Aspire.Hosting.MongoDB
MongoDB support for Aspire.
 17
Aspire.Hosting.Nats
NATS support for .NET Aspire.
 17
Aspire.Hosting.PostgreSQL
PostgreSQL® support for Aspire.
 17
Aspire.Hosting.Nats
NATS support for .NET Aspire.
 16

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.NET Framework 4.6.2

.NET 8.0

.NET 9.0

.NET Standard 2.0

.NET Standard 2.1

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5.0.0-preview.4.20251.6 8 12/14/2025
5.0.0-preview.3.20215.2 4 12/14/2025
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