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 = {}
let sequelize = null

try {
  sequelize = new Sequelize(config.db)
} catch(e) {
  consola.warn(` ⚠️ Cannot connect to db, check your configuration => ${e}`)
  process.exit(-1)
}

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