I have a springboot ToDo app project due in 2 days

I’ve got a to do app project for my bootcamp needing to be complete in 2 days. I noticed that the basic to do app with Vaadin seems uber easy to hook up and it looks nice enough for my uses. I’m wondering how it ties into the Springboot microservices that I’ll have to write for it to work as a CRUD app and how all of that ties in. I typically use Thymeleaf and the CRUD backend to accomplish apps like this. How would I implement Vaadin for this? How do I access my CRUD services from the Springboot controller/service/repository and tie it all in?

I hope someone who knows how to do this can respond before the day’s end. It’d be great to use Vaadin and show that off.