- Run this command in MySQL before run back-end: create database if not exists DB_ql_tts; - Open back-end folder in Eclipse and choos Run As -> Spring Boot App - Test API after run back-end: go to broswer -> paste this link http://localhost:8080/api/users - Open front-end folder in VSC and run 2 command below in terminal: 1. npm install react-scripts --save 2. npm start