module.exports = {
  db: {
    username: process.env.DB_USER,
    password: process.env.DB_PASS,
    database: process.env.DB_NAME,
    options: {
      host: process.env.HOST || "127.0.0.1",
      dialect: process.env.DIALECT || "postgres"
      }
    }
  }

Loaded configuration file "config/config.js".

ERROR: Dialect needs to be explicitly supplied as of v4.0.0

ERROR: password authentication failed for user "jioke"

var fs        = require('fs');
var path      = require('path');
var Sequelize = require('sequelize');
var basename  = path.basename(__filename);
var env       = process.env.NODE_ENV || 'development';
var config    = require(__dirname + '/../config/config.js');
var db        = {};

const sequelize = new Sequelize(
  config.db.database,
  config.db.user,
  config.db.password,
  config.db.options
)

....

const path = require('path');

module.exports = {
  'config': path.resolve('config', 'config.js')
}