💬 Full fledged Real-Time Chat Application

A modern, feature-rich chat application built with Node.js, Express, and Socket.IO for seamless real-time communication.

📸 Screenshots

Chat Interface

Authentication Pages

✨ Features

• Real-time Messaging - Instant message delivery with Socket.IO
• Group Chat - Create and manage group conversations
• User Authentication - Secure signup/login with JWT
• Member Management - Add/remove members, assign admin roles
• File Sharing - Support for multimedia attachments
• Search Functionality - Find and add users to groups
• Responsive Design - Clean, modern UI

🛠 Tech Stack

Backend:

• Node.js & Express
• Socket.IO (real-time communication)
• Sequelize ORM with MySQL
• JWT Authentication
• Multer (file uploads)

Frontend:

• Vanilla JavaScript
• HTML5 & CSS3
• Socket.IO Client

🚀 Quick Start

# Install dependencies
npm install

# Start development server
npm start

The app runs on http://localhost:3000 by default.

📁 Project Structure

├── controllers/    # Route handlers
├── models/        # Database models
├── routes/        # API routes
├── middlewares/   # Auth middleware
├── public/        # Frontend assets
├── Services/      # Business logic
└── socket.js      # Socket.IO setup

🔐 Environment Variables

Create a .env file with:

PORT=3000
DB_HOST=your_database_host
DB_USER=your_database_user
DB_PASSWORD=your_password
DB_NAME=chat_app
JWT_SECRET=your_jwt_secret

📝 API Endpoints

• POST /signup - User registration
• POST /login - User authentication
• POST /sendMessage - Send messages
• GET /getMessages - Fetch chat history
• POST /makeGroup - Create groups
• POST /addMember - Add members to groups
• GET /search - Search users

---

Built with 💌 by Rushabh