https://sequelize.org/v4/manual/tutorial/upgrade-to-v4.html
const Sequelize = require('sequelize'); const Promise = require('bluebird'); const clsBluebird = require('cls-bluebird'); const cls = require('continuation-local-storage'); const ns = cls.createNamespace('transaction-namespace'); clsBluebird(ns, Promise); Sequelize.useCLS(ns);