📁 Document Upload and Retrieve

This is a web-based system that allows users to upload image documents, automatically generates a unique ID, and then lets users retrieve the uploaded file using that ID.

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🚀 Features

• 📤 Upload documents (PNG, JPG, etc.)
• 🆔 Generate and display a unique ID for each upload
• 🔍 Retrieve document using its ID
• 🗃 Store file details and data in a MongoDB database
• 🌐 Frontend built with HTML, CSS, JS and PHP (for basic testing)

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🛠 Tech Stack

• Frontend: HTML, CSS, JavaScript
• Backend: Node.js with Express.js
• Database: MongoDB
• Uploads: Multer
• Extras: PHP scripts (for database testing and signup)

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📁 Project Structure

DOCUMENT-UPLOAD-AND-RETRIEVE/ ├── config/

│ └── db.js # MongoDB connection setup

├── models/

│ └── ... # Mongoose models (if any)

├── node_modules/ # Installed npm packages

├── public/

│ ├── css/ # Stylesheets

│ ├── js/ # Frontend JavaScript

│ ├── about.html # About page

│ ├── contact.html # Contact form

│ ├── db.php # PHP backend example

│ ├── help.html # Help/FAQ page

│ ├── home.html # Homepage

│ ├── image.html # Image upload & retrieve form

│ ├── login.html # Login form

│ ├── register.html # Registration form

│ ├── sign1.php # Signup (PHP)

│ └── test_mysqli.php # PHP-MySQL connection test

├── uploads/ # Uploaded image files

│ └── [UUID].png # Saved using unique IDs

├── .gitignore # Ignore node_modules, uploads, .env

├── README.md # Project readme file

├── package.json # Node project config

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