Vaadin Keycloak OAuth2 Integration

Keycloak is an open source identity and access management solution. This article shows how to configure Vaadin and Spring Security to use OAuth2 with Keycloak.

Build Secure Web Apps with Vaadin & Spring Boot

Almost all web application frameworks include their security-relevant functions and provide the respective interfaces to external security solutions. As a Java-based full-stack[...]

How to use jOOQ with Testcontainers, and Flyway

When using a database the question is how to manage the versions of the schema and how to use the database in testing. Container technologies became a defacto standard. Why not[...]

Visualize Message Flow with Vaadin & Neo4j

Analyzing and visualizing the message flow between business functions was the goal of my current project. At first, we considered using a UML tool for this job, but we came to the[...]