text: var http = require('http'),
      cluster = require('cluster');
  
  if (cluster.worker.id === 1) {
      console.log('try to open http://localhost:%s', process.env.port);
  }
  
  http
      .createServer(function(req, res) {
          res.end('Worker #' + cluster.worker.id + ' at your service, sir!');
      })
      .listen(process.env.port);
  