var cluster = require('cluster');

if (cluster.isMaster) {

    var cpuCount = require('os').cpus().length;
    for (var i = 0; i < cpuCount; i++) {
        cluster.fork();
    }

} else {

    var express = require('express');
    var app = express();

    app.get('/', function (req, res) {
        res.sendFile(__dirname + '/public/index.html');
        app.use(express.static(__dirname + '/public'));
    });

    app.listen(3000, function () {
        console.log('Worker %d running.', cluster.worker.id);
    });

}