File Upload Server

A lightweight and secure file-sharing backend built with Express.js, Drizzle ORM, and Neon PostgreSQL. This server allows users to upload files, store them securely with ImageKit.io, and generate download links accessible across devices.

---

Features

• JWT Authentication — Secure user access and session handling.
• Upload up to 10 files per request.
• Supports image uploads (more file types coming soon).
• Cloud-based storage via ImageKit.io — file URLs stored in database.
• Cross-device access — user can able to download from various device.
• Drizzle ORM + Neon PostgreSQL — type-safe, fast, and reliable data layer.

---

Tech Stack

• Express.js (Backend framework)
• Json Web Token (Token based Authentication)
• Postgressql (Database)
• Drizzle ORM (Object Relational Model)
• ImageKit (For file uploding)
• DaisyUI (For styling)

---

⚙️ Installation & Setup

Clone the Repository

git clone https://github.com/Harshsharma1712/file-upload-server.git
cd file-upload-server

Install Dependencies

npm install

Configure Environment Variables

Create a .env file in the root directory and add the following:

# PORT number
PORT=

# nenon postgres database url
DATABASE_URL=""

# Auth(jwt) config
JWT_SECRET=
JWT_EXPIRES_IN=

# Imagejit config 
IMAGEKIT_PUBLIC_KEY=
IMAGEKIT_PRIVATE_KEY=
IMAGEKIT_URL_ENDPOINT=

Run Database Migrations

npx drizzle-kit generate
npx drizzle-kit migrate

or

npx drizzle-kit push 

Start the Server

npm run dev

Your API will now be available at:

http://localhost:8000 (This is a example port)

---

API Endpoints

Authentication

Method	Endpoint	Description
POST	api/auth/register	Register a new user
POST	api/auth/login	Log in and receive JWT token

File Upload Endpoint for testing

Method	Endpoint	Description
POST	api/files/upload	Upload up to 10 image files
GET	api/files/	Get the the all files for user
GET	api/download/:id/	Return image so user can download
DELETE	api/files/:id	Delete the file by id from imagekit as well as from database

Headers:

Authorization: Bearer <JWT_TOKEN>

---

Future Improvements

• Support for non-image files (PDFs, ZIPs, etc.)
• File size limit configuration
• Expiring download links
• Admin panel for managing uploads

---

Contributing

Pull requests are welcome! If you’d like to improve this project, please fork the repo and create a new branch for your feature or fix.

---

📄 License

This project is licensed under the MIT License — feel free to use and modify for your own purposes.

---