Use cloudant node.js lib #cloudant

cloudant.js

const Cloudant = require('@cloudant/cloudant')

const {
  CLOUDANT_ACCOUNT,
  CLOUDANT_DB,
  CLOUDANT_KEY
  CLOUDANT_PASSWORD
} = process.env

const cloudant = Cloudant({ 
  account: CLOUDANT_ACCOUNT, 
  key: CLOUDANT_KEY,
  password: CLOUDANT_PASSWORD,
  plugin: 'promises'
})

const db = cloudant.db.use(CLOUDANT_DB)

const keys = ['100', '200']

let { total_rows, rows } = await db.fetch({ keys })