Nodejs Multi Cluster HTTP Server Example

server.js

"use strict";

let http = require('http');

let host = '127.0.0.1', port = 8080;
let cluster = require('cluster');
let numCPUs = require('os').cpus().length;

if (cluster.isMaster) {
  console.log(`Hey, I'm Master!`);
  for (var i = 0; i < numCPUs; i++) {
    cluster.fork();
  }
} else {
  http
  .createServer(serverListener)
  .listen(port, host)
  ;
  console.log(`New server on http://${host}:${port}/`);
}

function serverListener (request, response) {
  response.end('Hi ;)');
}