.NET, Clean Architecture & Best Practices Notes

1. What is .NET?

• .NET is Microsoft’s cross-platform development framework.
• Supports C#, F#, VB.NET.
• Used for web apps, APIs, desktop apps, mobile (MAUI/Xamarin), cloud, games (Unity).
• Core runtime: CLR (Common Language Runtime) → executes compiled IL (Intermediate Language).

.NET 8 Key Points

• Unified platform for all app types.
• Performance improvements in ASP.NET Core & EF Core.
• Minimal APIs + improved Blazor tooling.
• Long-Term Support (LTS) release.

2. ASP.NET Core Overview

• Modern web framework under .NET.
• Supports MVC, Razor Pages, Web APIs, Blazor.
• Built-in Dependency Injection and Middleware Pipeline.

Request Pipeline example:

HTTP Request → Middleware (Auth, Logging, Routing) → Controller/Blazor Component → Response