Node.js Load Balancer (Production-Style)

A custom load balancer built using Node.js and Express that performs round-robin routing, background health checks, and automatic failover.

Architecture

Client → Load Balancer → Backend Servers

Features

• Round-robin load balancing
• Background health checks
• Automatic failover
• Supports all HTTP methods
• REST-compliant backend services

Setup

npm install
npm run dev:server1
npm run dev:server2
npm run dev:balancer