Node + Express + Cluster in CoffeeScript

cluster.coffee

cluster = require 'cluster'
express = require 'express'

workers = require('os').cpus().length

app = express()

app.get '/', (req, res) ->
  res.send('Working!')
  
if cluster.isMaster
  for i in [0...workers]
    worker = cluster.fork()
  
  cluster.on 'listening', (worker) ->
    console.log 'Worker %s is listening', worker.process.pid
    
  cluster.on 'death', (worker) ->
    console.log 'Worker %s died.', worker.process.pid
  
  cluster.on 'disconnect', (worker) ->
    console.log 'The worker #' + worker.id + ' has disconnected'

else
  app.listen 5000