User Service is the authentication and identity management microservice in a modular, scalable eCommerce platform.
Built with a focus on clean architecture, best practices, and modern .NET tooling, this service manages:
- User registration
- Authentication (JWT)
- Profile management
| Technology | Description |
|---|---|
| ASP.NET Core | Backend framework (.NET 8) |
| PostgreSQL | Relational database |
| Dapper | Lightweight micro ORM |
| Clean Architecture | Scalable, layered project structure |
| AutoMapper | Object-to-object mapping |
| DTOs | For clean data transfer between layers |
| FluentValidation | Validation of models and DTOs |
| JWT Auth | Secure token-based authentication |
| Docker | Containerized for easy deployment |
- ✅ Register new users
- ✅ Login and receive JWT token
- ✅ Secure endpoints with
[Authorize] - ✅ AutoMapper for clean mapping
- ✅ FluentValidation for input validation
- ✅ Clean, testable architecture
- ✅ Docker support for local development
docker-compose up --build
📬 API Endpoints
Method Endpoint Description
POST /api/users/register Register a new user
POST /api/users/login Login and receive JWT
🔧 Configuration
appsettings.json
"ConnectionStrings": {
"DefaultConnection": "Host=localhost;Port=5432;Database=ShoppingCartUsers;Username=postgres;Password=test123"
},
"Jwt": {
"Key": "your_secret_key_here",
"Issuer": "eCommerceApp",
"Audience": "eCommerceClient",
"ExpiresInMinutes": 60
}
🧪 Testing the API
Use Postman, curl, or the Swagger UI to test endpoints:
curl -X POST http://localhost:5000/api/users/login \
-H "Content-Type: application/json" \
-d '{"email":"test@example.com", "password":"password123"}'
🛠️ To Do / Roadmap
Password hashing (BCrypt)
Email verification
Role-based access (admin, customer, etc.)
Refresh tokens
Unit & integration tests
CI/CD pipeline (GitHub Actions)