A scalable and modular eCommerce backend built with Node.js and Express, supporting multiple databases including MongoDB and MySQL. This project follows clean architecture principles with clear separation of concerns between configuration, models, repositories, services, and routes.
- 🔐 JWT-based authentication and refresh tokens
- 🔑 API key management
- 🛍 Product catalog (Clothing, Electronics, Furniture)
- 🛒 Shopping cart system
- 🎟 Discount and promotion management
- 📦 Inventory tracking
- 🏪 Shop and user management
- 🧩 Middleware-driven request validation
- 🌐 Modular route handling
- ☁ Environment-based configuration support
src/
├─ config/ # Environment, DB, and JWT configuration
├─ controllers/ # Handle API logic for each route
├─ database/ # DB connection factories (Mongo, MySQL)
├─ helpers/ # Utility helpers (e.g., async error wrapper)
├─ middlewares/ # Validators and error handlers
├─ models/ # Mongoose/Sequelize models and constants
├─ repositories/ # Data access abstraction layer
├─ routes/ # API route definitions
├─ services/ # Business logic layer
├─ utils/ # HTTP, JWT, response formatting utilities
├─ app.js # Express app setup
└─ server.js # Entry point and server configuration
- Node.js
- Express.js
- MongoDB (Mongoose)
- MySQL (Sequelize or native driver)
- JWT (jsonwebtoken)
- dotenv for environment management
- Custom error handling and response utils
git clone https://github.com/your-username/ecommerce-api.gitcd ecommerce-api
npm installnpm start