Form API Backend

A robust backend API for user authentication and form handling built with Node.js, Express, and MongoDB.

Features

• User authentication (Login/Register/Logout)
• JWT based authorization
• File upload support
• Secure password handling
• CORS enabled
• Error handling middleware
• Environmental variables support

Tech Stack

• Node.js
• Express.js
• MongoDB
• JWT (JSON Web Tokens)
• Bcrypt
• Multer
• Cloudinary

Project Structure

src/
├── controllers/     # Route controllers
├── models/         # Database models
├── routes/         # API routes
├── middlewares/    # Custom middlewares
├── utils/          # Utility functions
└── db/            # Database configuration

API Endpoints

Authentication

• POST /api/v1/users/register - Register new user
• POST /api/v1/users/login - Login user
• POST /api/v1/users/logout - Logout user

User Operations

• GET /api/v1/users/profile - Get user profile
• PATCH /api/v1/users/update - Update user details
• PATCH /api/v1/users/password - Change password

Environment Variables

Create a .env file in the root directory:

PORT=8000
MONGODB_URI=your_mongodb_connection_string
ACCESS_TOKEN_SECRET=your_access_token_secret
ACCESS_TOKEN_EXPIRY=1d
REFRESH_TOKEN_SECRET=your_refresh_token_secret
REFRESH_TOKEN_EXPIRY=10d
CORS_ORIGIN=http://localhost:5173

Getting Started

1. Clone the repository:

git clone <repository-url>

2. Install dependencies:

cd Backend
npm install

3. Set up environment variables:

cp .env.sample .env

4. Start the development server:

npm run dev

Scripts

• npm run dev - Start development server
• npm start - Start production server
• npm run lint - Run ESLint
• npm test - Run tests

Error Handling

The API uses a custom error handling mechanism:

• ApiError class for consistent error responses
• Standardized error format
• Proper HTTP status codes

Security Features

• Password hashing using bcrypt
• JWT token-based authentication
• Request rate limiting
• HTTP security headers
• XSS protection

Contributing

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

License

This project is licensed under the MIT License - see the LICENSE file for details.