Build a Modern Web App with Spring Boot (Java) – Full Tutorial 🚀

In this step-by-step tutorial, you will learn how to build a modern web app – completely in Java. This complete course covers each step of creating a Spring Boot application with a responsive frontend web app using Vaadin Flow. You will also learn how to test and deploy the application to the cloud. The course instructor is Marcus Hellberg. He has more than 15 years of experience in building web apps with Java and currently leads the open-source community team at Vaadin. Text Version: https://vaadin.com/docs/latest/flow/tutorials/in-depth-course Project starter link: https://start.vaadin.com/?preset=flow-crm-tutorial&preset=partial-latest&dl Source code: https://github.com/vaadin/flow-crm-tutorial Vaadin Discord Chat: https://discord.gg/vaadin 0:00 - Course intro 2:09 - Creating a new Spring Boot and Vaadin Project 7:39 - Vaadin Flow Basics 12:27 - Building a view with components 23:55 - Creating a form component 35:46 - Connecting to the database (services and repositories) 44:46 - Data binding and form input validation 53:07 - Managing view state & responsive styles 1:02:07 - Navigation (routing) and parent layouts 1:08:27 - Creating a dashboard (charts) 1:16:03 - Spring Security and login & logout 1:28:06 - PWA: installing, offline fallback, icons 1:34:19 - Unit testing the UI with JUnit 1:44:40 - Integration tests for the UI using SpringBootTest 1:50:37 - End-to-end (e2e) tests with Vaadin TestBench 2:00:25 - Production build, PostgreSQL, and Heroku cloud deployment