Simple Load Balancer

This project implements a basic load balancer in Go, using the round-robin algorithm to distribute incoming HTTP requests to multiple backend servers.

Features

• Round-Robin Load Balancing: Distributes requests evenly across the backend servers.
• Health Check: Basic health check to ensure servers are alive before forwarding requests (currently, all servers are assumed to be alive).
• Reverse Proxy: Uses Go's httputil.ReverseProxy to forward requests to backend servers.

Getting Started

Prerequisites

• Go (1.15 or higher)

Installation

1. Clone the repository:

   git clone https://github.com/yourusername/simple-load-balancer.git
   cd simple-load-balancer

2. Build the project:

   go build

3. Run the load balancer:

   ./simple-load-balancer

Configuration

Currently, the backend servers are hardcoded in the main function. You can modify the list of servers by editing the following lines in main.go:

servers := []Server{
    newSimpleServer("http://youtube.com"),
    newSimpleServer("http://facebook.com"),
    newSimpleServer("http://google.com"),
}

Replace the URLs with the addresses of your backend servers.

Usage

After starting the load balancer, it listens on port 8080 (or the port specified in the main function). Incoming requests to localhost:8080 will be distributed to the backend servers in a round-robin fashion.

To test the load balancer, you can use curl or a web browser:

curl http://localhost:8080

Contributing

Feel free to submit issues and pull requests to improve the functionality and reliability of the load balancer.