📁 File Sharing App

A simple file sharing web app built with React, Node.js, Express, MongoDB, and Cloudinary.

Users can:

• Upload files
• Get a unique download link
• Download files
• See all their uploaded links for the last 24 hours (stored in localStorage)

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🚀 Features

• File upload with Cloudinary storage
• Link generation with download count
• Auto-expiry of links after 24 hours (in localStorage)
• Clean responsive UI

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⚙️ Tech Stack

• Frontend: React
• Backend: Node.js, Express
• Database: MongoDB Atlas
• File Storage: Cloudinary
• Local file tracking: localStorage
• Scheduled cleanup: node-cron (optional)

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🗂️ Project Structure

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📦 Environment Variables

Create a .env file in your root backend folder with:

PORT=5000

# MongoDB Atlas connection string
MONGO_URL=your_mongodb_connection_string

# Cloudinary credentials
CLOUDINARY_CLOUD_NAME=your_cloud_name
CLOUDINARY_API_KEY=your_api_key
CLOUDINARY_API_SECRET=your_api_secret
cd backend
npm install
npm start
cd frontend
npm install
npm run dev  # For frontend
# or
npm start    # For backend