gancio-upstream/server/api/models/index.js

const fs = require('fs')
const path = require('path')
const Sequelize = require('sequelize')
const basename = path.basename(__filename)
const config = require('config')
const consola = require('consola')
const db = {}

const sequelize = new Sequelize(config.db)
sequelize.authenticate().catch( e => {
  consola.error('Error connecting to DB: ', String(e))
  process.exit(-1)
})

fs
  .readdirSync(__dirname)
  .filter(file => {
    return (file.indexOf('.') !== 0) && (file !== basename) && (file.slice(-3) === '.js')
  })
  .forEach(file => {
    const model = sequelize.import(path.join(__dirname, file))
    db[model.name] = model
  })
  
  Object.keys(db).forEach(modelName => {
    if (db[modelName].associate) {
      db[modelName].associate(db)
    }
  })
  
  db.sequelize = sequelize
  db.Sequelize = Sequelize
  
  module.exports = db