Real-time Chat System
Scalable real-time chat application backend with support for private messaging and group chats.
Project Overview
This real-time chat system provides a scalable backend for messaging applications, supporting both one-on-one and group conversations. Built with Socket.io for real-time communication and PostgreSQL for persistent storage, the system handles message delivery, read receipts, and user presence. Redis is used for pub/sub messaging between server instances, allowing the system to scale horizontally.
Key Features
- Group chat functionality
- Message delivery and read receipts
Challenges & Solutions
- Ensuring message delivery in distributed environments
- Managing user presence across multiple server instances
- Optimizing for high message throughput
Project Details
Technologies
Node.js
Socket.io
Mongodb