This project can be used as a starting point to create your own Vaadin Flow application with Spring Boot. It contains all the necessary configuration and some placeholder files to get you started.
The best way to use it by via vaadin.com/start - you can get only the necessary parts and choose the package naming you want to use.
Import the project to the IDE of your choosing as a Maven project.
Run application using mvn spring-boot:run or directly running Application class from your IDE.
Open http://localhost:8080/ in browser
If you want to run your app locally in the production mode, run mvn spring-boot:run -Pproduction.
For documentation on using Vaadin Flow and Spring, visit vaadin.com/docs
For more information on Vaadin Flow, visit https://vaadin.com/flow.