A robust and secure URL shortening service built with Node.js and Express.js. This backend service provides APIs for shortening URLs, managing user accounts, and tracking URL analytics.

• 🔗 URL shortening with custom aliases
• 👤 User authentication and authorization
• 📊 URL analytics and tracking

• Runtime: Node.js
• Framework: Express.js
• Database: MongoDB with Mongoose
• Authentication: JWT (JSON Web Tokens)
• Validation: Joi

• Node.js (v14 or higher)
• MongoDB
• npm or yarn

1. Clone the repository:

git clone https://github.com/Sandeep-Petwal/Shrinkr.git
cd Shrinkr

2. Install dependencies:

npm install

3. Create a .env file in the root directory and add the following variables (see .env.sample for reference):

PORT=5000
MONGODB_URI=your_mongodb_uri
JWT_SECRET=your_jwt_secret
BASE_SHORT_URL=your_base_url

4. Start the development server:

npm start

The API is versioned and accessible under /api/v1/. Main endpoints include:

• POST /auth/register - User registration
• POST /auth/login - User login
• POST /url/shorten - Create short URL
• GET /url/:shortId - Redirect to original URL
• GET /url/analytics/:shortId - Get URL analytics

• Rate limiting to prevent abuse
• CORS protection
• Input validation using Joi
• Secure password hashing with bcrypt
• JWT-based authentication
• Cookie-based session management

Contributions are welcome! Please feel free to submit a Pull Request.

Sandeep Prasad

For support, please open an issue in the GitHub repository.