express-app.js

const express = require('express')
const sequelizeMiddleware = require('./middlewares/sequelize')
const authMiddleware = require('./middlewares/auth')

const app = express()
app.use(sequelizeMiddleware()) // 1. Sequelize startup
app.use(authMiddleware)        // 2. Auth and schema management

app.get('/tasks', async (req, res, next) => {
  // 3. Here we must query the database and 
  // list all the tasks for the logged user
})

app.listen(9090, () => {
  console.log('data-isolation-example running on port 9090')
})