A Simple Clean Architecture Structure for ASP.NET Core Projects

Many developers hear about Clean Architecture but struggle with one simple question: How should I structure my projects? In this article we will look at a simple and practical project structure for ASP.NET Core using the ideas from Clean Architecture, introduced by software engineer Robert C. Martin (Uncle Bob). The goal is simple: keep business logic independent keep infrastructure replaceable keep the system easy to maintain Let’s break it down. The 4 Project Structure A very clean approach is to split the solution into four projects. MyProject MyProject.Domain MyProject.Application MyProject.Infrastructure MyProject.API Each project has a very specific responsibility. 1. Domain Layer (The Core of the System) The Domain layer contains the business rules. Nothing here should depend on frameworks, databases, or external services. Typical folders: Domain ├── Entities ├── ValueObjects ├── Enums └── Exceptions Example entity: public class Order { public Guid Id { get ; private set ; } pub