📦 VideoCall Back‑End

A RESTful API and signaling server setup built with Node.js and Express.js to support real-time video call functionality.

🚀 Features

• User authentication via JWT
• Secure password storage using bcrypt
• Establishing and managing video call sessions
• WebRTC signaling implemented with Socket.IO
• MongoDB for user and session data (via Mongoose)
• Input validation using Joi
• Structured error logging and handling

⚙️ Tech Stack

Layer	Technology
Runtime	Node.js
Framework	Express.js
Database	MongoDB with Mongoose
Authentication	JWT + bcrypt
Real‑time Comm.	Socket.IO + WebRTC
Validation	Joi

🧩 Installation & Setup

git clone https://github.com/naderianaliakbar/VideoCall-Back-End.git
cd VideoCall-Back-End
npm install

Copy .env.example to .env and configure:

PORT=5000
MONGODB_URI=mongodb://localhost:27017/videocall-db
JWT_SECRET=your_jwt_secret

🏁 Running the Server

npm run dev     # Development mode with nodemon
npm start       # Production mode

Server listens on http://localhost:5000.

🛠️ API & Signaling Endpoints

• Auth

  • POST /api/auth/register – Register a new user
  • POST /api/auth/login – Login and receive JWT

• Users (protected)

  • GET /api/users – List all users
  • GET /api/users/:id – Get user by ID

• VideoCall Sessions (protected)

  • POST /api/sessions – Create a new video call session
  • GET /api/sessions/:id – Retrieve session details

• WebSocket Signaling (via Socket.IO)

  • join-session – User joins a session room
  • signal – Exchanging WebRTC offer/answer and ICE candidates
  • leave-session – User exits a session

📘 Project Structure

src/
├── controllers/
├── models/
├── routes/
├── socket/
├── middlewares/
├── utils/
└── index.js