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How to use the minimal hosting model in ASP.NET Core 6


ASP.NET Core 6 has introduced a new hosting model that is much more simplified and streamlined, reducing the amount of boilerplate code you need to write to get your ASP.NET Core application up and running. This article introduces this new hosting model with relevant code examples wherever appropriate.

To work with the code examples provided in this article, you should have Visual Studio 2022 installed in your system. If you don’t already have a copy, you can download Visual Studio 2022 here.

Create an ASP.NET Core Web API project in Visual Studio 2022

First off, let’s create an ASP.NET Core project in Visual Studio 2022. Following these steps will create a new ASP.NET Core Web API 6 project:

  1. Launch the Visual Studio 2022 IDE.
  2. Click on “Create new project.”
  3. In the “Create new project” window, select “ASP.NET Core Web API” from the list of templates displayed.
  4. Click Next.
  5. In the “Configure your new project” window, specify the name and location for the new project.
  6. Optionally check the “Place solution and project in the same directory” check box, depending on your preferences.
  7. Click Next.
  8. In the “Additional Information” window shown next, select .NET 6.0 as the target framework from the drop-down list at the top. Leave the “Authentication Type” as “None” (default).
  9. Ensure that the check boxes “Enable Docker,” “Configure for HTTPS,” and “Enable Open API Support” are unchecked as we won’t be using any of those features here.
  10. Click Create.

We’ll use this ASP.NET Core 6 Web API project to work with the minimal hosting model in the subsequent sections of this article.

Program class in ASP.NET Core 6

When you create a new ASP.NET Core 6 project in Visual Studio, the Program class would look like this:

var builder = WebApplication.CreateBuilder(args);
// Add services to the container.
builder.Services.AddControllers();
var app = builder.Build();
// Configure the HTTP request pipeline.
app.UseAuthorization();
app.MapControllers();
app.Run();

We’ll use this class in the subsequent sections of this article.

Copyright © 2021 IDG Communications, Inc.



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