// app.js
 
require('cluster-node')(workers=4);
    
if(cluster.isWorker){
     		var 	express = require('express'),  
                app = express(),
                server = require('http').createServer(app)
                server.listen(3000, function() {
                                //console.log('Server listening on 3000');
                } );
                
                app.all('*', function(q,s,n){
                    s.end('Hi world - served by process '+cluster.worker.id);
                })
}