request-config-step-eight.js

const Agent = require('agentkeepalive')

const httpsAgent = new Agent.HttpsAgent({
  keepAlive: true,
  maxSockets: 100,
  socketActiveTTL: 30 * 60 * 1000
})

const request = require('request-promise').defaults({ 
  resolveWithFullResponse: true,
  agent: httpsAgent,
  gzip: true,
  timeout: 1000,
  auth: {
    'user': 'user', // <--
    'password': 'password', // <--
    'sendImmediately': true // <--
  }
})