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Customizing ASP.NET Core 6.0

You're reading from   Customizing ASP.NET Core 6.0 Learn to turn the right screws to optimize ASP.NET Core applications for better performance

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Product type Paperback
Published in Dec 2021
Publisher Packt
ISBN-13 9781803233604
Length 204 pages
Edition 2nd Edition
Languages
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Author (1):
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Jürgen Gutsch Jürgen Gutsch
Author Profile Icon Jürgen Gutsch
Jürgen Gutsch
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Toc

Table of Contents (18) Chapters Close

Preface 1. Chapter 1: Customizing Logging 2. Chapter 2: Customizing App Configuration FREE CHAPTER 3. Chapter 3: Customizing Dependency Injection 4. Chapter 4: Configuring and Customizing HTTPS with Kestrel 5. Chapter 5: Configuring WebHostBuilder 6. Chapter 6: Using Different Hosting Models 7. Chapter 7: Using IHostedService and BackgroundService 8. Chapter 8: Writing Custom Middleware 9. Chapter 9: Working with Endpoint Routing 10. Chapter 10: Customizing ASP.NET Core Identity 11. Chapter 11: Configuring Identity Management 12. Chapter 12: Content Negotiation Using a Custom OutputFormatter 13. Chapter 13: Managing Inputs with Custom ModelBinder 14. Chapter 14: Creating a Custom ActionFilter 15. Chapter 15: Working with Caches 16. Chapter 16: Creating Custom TagHelper 17. Other Books You May Enjoy

Creating custom endpoints

The easiest way to create an endpoint is by using the lambda-based endpoints:

app.Map("/map", async context =>
{
    await context.Response.WriteAsync("OK");
});

This maps the /map route to a simple endpoint that writes the word "OK" to the response stream.

A Note regarding Prior .NET 6.0 Versions

Prior to .NET 6.0, you would map custom endpoints on the endpoints object inside the lambda that gets passed to the UseEndpoints method in the Startup.cs file. With .NET 6.0 and the new minimal API approach, the mapping gets done on the app object in the Program.cs file.

You might need to add the Microsoft.AspNetCore.Http namespace to the using statements.

You can also map specific HTTP methods (such as GET, POST, PUT, and DELETE) to an endpoint. The following code shows how to map the GET and POST methods:

app.MapGet("/mapget", async context =>
{
    await...
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