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Chat Application

Chat Application

Real-time chat app using WebSocket and React

Tech Stack

ReactSocket.ioNode.jsExpressMongoDB

Project Overview

A modern real-time chat application that enables instant messaging between users. Built with React for the frontend and Node.js with Socket.io for the backend, this application demonstrates the power of WebSocket technology for bi-directional communication.

The application supports private conversations, group chats, message history, typing indicators, and online status tracking. All messages are stored in MongoDB for persistence and can be retrieved on demand.

Key Features

Real-Time Messaging

Instant message delivery with WebSocket

Group Chats

Create and manage group conversations

Online Status

See who's online in real-time

Typing Indicators

Know when someone is typing a message

Message History

Persistent storage of all conversations

File Sharing

Share images and files in conversations

Technical Highlights

  • WebSocket Protocol: Full-duplex communication with Socket.io
  • State Management: React Context API for efficient state handling
  • Authentication: JWT-based secure user authentication
  • Message Queue: Redis for handling high-volume message delivery
  • Scalability: Horizontal scaling with Socket.io adapter