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showcase
Shipped: Short link service
I built a full-stack URL shortener with a React/Vite frontend, Express.js backend, and PostgreSQL database hosted through Vercel and Neon.
Users can enter a valid HTTP/HTTPS URL and generate a unique short link. Opening the short link redirects to the original URL, while the Statistics feature displays the link's current click count and stored information. The application also includes URL validation, duplicate URL handling, persistent database storage, and API health checking.
A reviewer can verify the acceptance criteria directly from the deployed application by:
1. Entering a valid URL and creating a short link.
2. Opening the generated short URL and confirming it redirects to the original URL.
3. Clicking Statistics and confirming the stored URL and click count are displayed.
4. Opening the short URL multiple times and checking that the click count increases.
5. Refreshing the page or returning later to confirm the link data persists through PostgreSQL.
6. Testing invalid input to confirm that invalid URLs are rejected.
7. Checking the application's health endpoint to verify that the deployed backend is operational.
The complete source code and implementation are available in the project's GitHub repository, allowing the reviewer to inspect the frontend, API, database integration, validation, and deployment configuration.
Repository: https://github.com/AdyanShaikh/url-shortener
Live: https://url-shortener-puce-ten.vercel.app/
Built for the Verified Backend Internship · an API that survives bad input
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