URL Shortener

A simple URL shortening service built with Node.js, NestJS, and Prisma. Users can register, log in, and shorten URLs, getting a short code that redirects to the original URL.

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🚀 Features

• User authentication (register & login)
• Shorten URLs for logged-in users
• Redirect short URLs to the original URL
• Minimalistic, clean API design
• Optional front-end integration

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🛠 Tech Stack

• Backend: Node.js, NestJS, Prisma
• Database: PostgreSQL (or your preferred DB)
• Authentication: JWT
• Frontend (optional): React / Vanilla JS

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⚡ Installation

1. Clone the repository:

git clone https://github.com/your-username/urlshortener.git
cd urlshortener 

2. Install dependencies:

npm install

Set up your .env file:

DATABASE_URL=postgresql://USER:PASSWORD@HOST:PORT/DBNAME
JWT_SECRET=your_jwt_secret
PORT=3000

Run database migrations:

npx prisma migrate dev

Start the server:

npm run start:dev

Server should be running at: http://localhost:3000

📌 API Endpoints Authentication

POST /auth/register – Register a new user

POST /auth/login – Login and receive JWT token

URL Shortening

POST /url/shorten-user – Shorten a URL (requires authentication)

GET /:shortCode – Redirect to the original URL

📝 Example Request

curl -X POST http://localhost:3000/url/shorten-user \
-H "Authorization: Bearer <your-token>" \
-H "Content-Type: application/json" \
-d '{"originalUrl": "https://google.com"}'

Response:

{
  "shortUrl": "http://localhost:3000/ioegnS6i",
  "originalUrl": "https://google.com",
  "userId": 1
}

Screenshot

📄 License

MIT License