Real-Time Chat Application 💬

A real-time chat application built with React.js (frontend) and Node.js + WebSockets (backend). The app supports 1:1 and group messaging, user authentication, live typing indicators, and online/offline presence. Designed for low latency, scalability, and secure communication.

🚀 Features

🔐 User Authentication – Secure login & signup with JWT-based authentication

💬 1:1 and Group Chats – Create personal or group conversations

👀 User Presence – See who is online/offline in real-time

⌨️ Typing Indicators – Know when others are typing

🕑 Message History – Persistent chat history stored in database

⚡ Real-Time Updates – Built with WebSockets for low latency

📱 Responsive UI – Built with React.js + TailwindCSS for mobile & desktop

☁️ Deployment – Dockerized and deployed on AWS EC2 with CI/CD (GitHub Actions)

🛠️ Tech Stack

Frontend: React.js, TailwindCSS, Context API/Redux Backend: Node.js, Express.js, WebSockets Database: MongoDB / PostgreSQL (depending on your implementation) Authentication: JWT, bcrypt Deployment: Docker, GitHub Actions, AWS EC2