Mastering Middleware in ASP.NET Core

Learn how to enhance your web applications by building and configuring middleware for a flexible, efficient request pipeline

Mastering Middleware in ASP.NET Core

Middleware is a fundamental part of ASP.NET Core. It allows you to handle requests and responses flexibly, and modularly. Middleware processes requests as they travel through the application’s request pipeline and responses as they return.

This article will explain middleware, its purpose, and how to create custom middleware in ASP.NET Core. We’ll use simple terms and examples to make it easy to understand.

1. What is Middleware?

Middleware is a component in ASP.NET Core. Basically, It handles HTTP requests and responses. Consider middleware, which is a series of steps a request must pass through before reaching the application logic. Each step can modify the request or response or perform additional tasks.

Examples of middleware include:

• Authentication: Verifies user credentials.
• Authorization: Ensures users have permission to access resources.
• Logging: Tracks details of requests for debugging or auditing.
• Static File Handling: Serves static files like images…