server.js

require('newrelic')
require('./src/config/database')

import restify from 'restify'
import cluster from 'cluster'
import { graphqlRestify } from 'apollo-server-restify'
import Authentication from './src/controllers/AuthenticationClass'
import Registration from './src/controllers/RegistrationClass'

const CPUS = require('os').cpus().length

const PORT = (process.env.PORT || 8888)
const CPU_BY_WORKER = 2
const WORKERS = (CPUS / CPU_BY_WORKER)

const auth = new Authentication()
const registration = new Registration()

if (cluster.isMaster) {
  console.log(`Server is active, forking ${WORKERS} workers with ${CPU_BY_WORKER} cpu by worker`)

  for (let i = 0; i < WORKERS; i += 1) {
    cluster.fork()
  }

  cluster.on('exit', (worker) => {
    console.error(`Worker ${worker.id} has died! Creating a new one.`)
    cluster.fork()
  })
} else {
  const server = restify.createServer()

  server.use(restify.plugins.bodyParser())
  server.use(restify.plugins.queryParser())

  // Controllers Routes
  server.post('/signin', (req, res) => auth.signin(req,res))
  server.post('/signup', (req, res) => registration.signup(req, res))

  // GraphQL Route
  server.get('/graphql', graphqlRestify((req, res) => auth.verifyToken(req, res)))
  server.post('/graphql', graphqlRestify((req, res) => auth.verifyToken(req, res)))

  server.listen(PORT, () => {
    console.info(`Worker ${cluster.worker.id} spawned in ${PORT}`)
  })
}