Sequelize Dynamic Configuration Sample Code for config.js

config.js

// Load environment variable from .env file
require('dotenv').config();

module.exports = {
  development: {
    username: process.env.DEV_DB_USERNAME,
    password: process.env.DEV_DB_PASSWORD,
    database: process.env.DEV_DB_NAME,
    host: process.env.DEV_DB_HOST,
    dialect: 'mysql'
  },
  test: {
    username: process.env.TEST_DB_USERNAME,
    password: process.env.TEST_DB_PASSWORD,
    database: process.env.TEST_DB_NAME,
    host: process.env.TEST_DB_HOST,
    dialect: 'mysql'
  },
  production: {
    username: process.env.PROD_DB_USERNAME,
    password: process.env.PROD_DB_PASSWORD,
    database: process.env.PROD_DB_NAME,
    host: process.env.PROD_DB_HOST,
    dialect: 'mysql'
  }
};