const { Sequelize } = require('sequelize') const sequelize = new Sequelize('app_db', 'db_user', 'db_user_pass', { host: 'localhost', port: 6033, dialect: 'mysql' }) const User = sequelize.define( 'User', { firstName: { type: Sequelize.STRING, allowNull: false }, lastName: { type: Sequelize.STRING, allowNull: false } }, { timestamps: false } ) ;(async () => { try { await sequelize.authenticate() console.log('Connection has been established successfully.') // create table await sequelize.sync() const user = await User.create({ firstName: 'John', lastName: 'Doe' }) console.log('Created user: ', user) const users = await User.findAll() console.log('Found all users: ', users) await sequelize.close() } catch (error) { console.error('Unable to connect to the database:', error) } })()