Pub Sub Messaging System1 Repository

A comprehensive Pub-Sub messaging system designed to handle high-scale real-time communication with robust architecture and efficient message handling.

System Architecture:

Core Messaging Features

• Room Management: Users can create or join chat rooms for organized communication
• Real-time Messaging: Instant message delivery using WebSocket connections
• Clapper System: Interactive engagement features for enhanced user experience

Technical Implementation

Scalable Infrastructure

• Singleton Pattern: Implemented design pattern for efficient resource management
• Redis Integration: High-performance message queuing and caching layer
• BullMQ Jobs: Reliable background job processing for message handling

Real-time Communication

• WebSocket Protocol: Bidirectional communication for instant messaging
• Multi-user Support: Concurrent user handling with optimized connection management
• Message Persistence: Reliable message storage and retrieval

DevOps & Deployment

Containerization

• Docker Implementation: Fully containerized application for consistent deployment
• Persistent Volume: Redis data persistence across container restarts
• Scalable Container Architecture: Easy horizontal scaling capabilities

Cloud Infrastructure

• AWS EC2 Deployment: Production deployment on cloud infrastructure
• Cost Optimization: Strategic resource management (temporarily offline for cost reduction)

Learning Outcomes:

This project provided deep insights into WebSocket architecture, Redis pub-sub patterns, message queue systems, and containerized deployment strategies. The system successfully demonstrated scalability for multiple concurrent users with reliable message delivery.

Technical Highlights:

Built with modern technologies and best practices, this messaging system showcases expertise in real-time communication protocols and scalable system design.