foxy-moxy/run.js

const cluster = require('express-cluster')
const app = require('./server.js')

const activePort = process.env.PORT || 3000

cluster((worker) => {
  app.listen(activePort, () => {
    console.log('worker ' + worker.id + ' is listening on port ' + activePort)
  })
}, {
  'respawn': true, // workers will restart on failure
  'verbose': true // logs what happens to console
})