Node.js Sample Server with Restify

server.js

/*
 * Node.js Sample Server with Restify
 * Copyright (C) 2014 - Thiago Uriel M. Garcia
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

var cluster = require('cluster');
if (cluster.isMaster) 
{
  console.log('Server is active. Forking workers now.');   
  var cpuCount = require('os').cpus().length;
  for (var i=0; i<cpuCount; i++) 
  {
    cluster.fork();
  }
  cluster.on('exit', function(worker) 
  {
    console.error('Worker %s has died! Creating a new one.', worker.id);
    cluster.fork();
  });
} 
else 
{ 
  var restify = require('restify')
    , server  = restify.createServer({'Node.js Sample Server', '1.0.0'})
    , port    = (process.env.PORT || 8088)
    , routes  = require('./app/routes.js');

  server.use(restify.authorizationParser());
  server.use(restify.queryParser());
  server.use(restify.bodyParser());
  server.listen(port, function() 
  {
    routes.initialize(server);
    console.log('Worker %s spawned for port %s.', cluster.worker.id, port);
  });
}