ASP.NET Core Onion Architecture Demo – State, City, Post Management

This is a sample project developed with ASP.NET Core following the Onion Architecture pattern. It demonstrates how to build a scalable, testable, and maintainable backend by structuring the application into multiple clear layers.

🧱 Architecture

The project follows Onion Architecture and includes:

• Domain Layer – Contains core business models and interfaces.
• Application Layer – Includes use cases and service interfaces.
• Infrastructure Layer – Implements interfaces for data access and external services.
• Presentation Layer – ASP.NET Core Web API exposing endpoints for managing data.

🗂️ Features

• CRUD operations for:
  • State
  • City
  • Post
• Clean separation of concerns
• Dependency Injection
• Entity Framework Core for data access
• FluentValidation (optional)
• AutoMapper (optional)

🚀 Getting Started

1. Clone the repository:

   1. git clone https://github.com/MahdiZare2002/PostModule.git
   2. cd PostModule
   3. dotnet ef database update
   4. dotnet run