🔗 URL Shortener with Expiry - Node.js, Express, MongoDB

A simple and powerful URL shortener built with Node.js, Express, and MongoDB.
Supports custom short URLs that automatically expire after a specified time — like 30m, 2h, or 3d.

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🚀 Features

• ✅ Shorten any long URL
• 🕒 Set custom expiry (e.g. 10s, 5m, 2h, 3d)
• 🔁 Auto-redirect to original URL when short URL is visited
• 🗑️ Expired links are automatically deleted using MongoDB TTL

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🛠 Tech Stack

• Node.js
• Express
• MongoDB + Mongoose
• nanoid for short ID generation
• ms for parsing human-readable expiry durations

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📦 Installation

git clone https://github.com/raoulbock/url-shortener.git
cd url-shortener
npm install