cluster setup

server.js

var cluster = require('cluster');
var app = require('./app');

// Comment this out:

// var server = cluster(app)
//  .use(cluster.pidfiles())
//  .use(cluster.cli())
//  .use(cluster.stats())
//  .use(cluster.repl('/var/run/colab-rest-api.sock'));
// 
// if(app.set('cluster workers')) {
//  server.set('workers', app.set('cluster workers'));
// }

// Grab the number of CPUs
var numCPUs = require('os').cpus().length

if (cluster.isMaster){

  // Fork workers.
  for (var i = 0; i < numCPUs; i++) {
    cluster.fork()
  }
  
  cluster.on('death', function(worker) {
    // We need to spin back up on death.
    cluster.fork()
    console.log('worker ' + worker.pid + ' died');  // optional
  })

}
else{

  app.listen(app.set('web port') || 3000)

}

// comment this out:
// server.listen(app.set('web port') || 3000);