text: 
  const fs = require('fs')
  const path = require('path')
  const Sequelize = require('sequelize')
  const basename = path.basename(__filename)
  const env = process.env.NODE_ENV || 'development'
  const config = require(path.join(__dirname, '/../../config/database'))[env]
  const db = {}
  
  let sequelize
  if (config.use_env_variable) {
    sequelize = new Sequelize(process.env[config.use_env_variable], config)
  } else {
    sequelize = new Sequelize(config.database, config.username, config.password, config)
  }
  
  fs
    .readdirSync(__dirname)
    .filter((file) => {
      return (file.indexOf('.') !== 0) && (file !== basename) && (file.slice(-3) === '.js')
    })
    .forEach((file) => {
      const model = require(path.join(__dirname, file)).init(sequelize, Sequelize)
      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
  