Hands-On Full-Stack Web Development with GraphQL and React

Connecting to a database with Sequelize

The first step is to initialize the connection from Sequelize to our MySQL server. To do this, we will create a new folder and file, as follows:

mkdir src/server/databasetouch src/server/database/index.js

Inside of the index.js database, we will establish a connection to our database with Sequelize. Internally, Sequelize relies on the mysql2 package, but we do not use it on our own, which is very convenient:

import Sequelize from 'sequelize';const sequelize = new Sequelize('graphbook_dev', 'devuser', 'PASSWORD', { host: 'localhost',  dialect: 'mysql',  operatorsAliases: false,  pool: {    max: 5,    min: 0,    acquire: 30000,    idle: 10000,  },});export default sequelize;

As you can see, we require Sequelize from ...