I write and speak about architecture and software development with Java.
Vaadin, jOOQ, Spring Boot, Apache Camel, and PostgreSQL are my favorite tools.
I’m using Karibu Testing for testing my Vaadin applications which work perfectly. But recently, I encountered a problem when I analyzed my code with SonarQube. Karibu Testing’s assertion methods are not recognized by SonarQube.
I'm using Karibu Testing for testing my Vaadin applications which work perfectly. But recently, I encountered a problem when I analyzed my code with .....
In preparation for a potential customer project, I had to refresh my knowledge of Angular. The best way to do that is to create a small demo application. I used Angular 15 with Spring Boot 3 and JWT to secure the REST API. Often an authorization server like Keycloak is used for authorization and token generation. However, I tried to keep the example as simple as possible and generate the JWT as part of the application.
In preparation for a potential customer project, I had to refresh my knowledge of Angular. The best way to do that is to create a small demo .....
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.
Keycloak is an open source identity and access management solution. This article shows how to configure Vaadin and Spring Security to use OAuth2 with .....
GitOps is a branch of DevOps that focuses on using git repositories to manage infrastructure and application code deployments. The main difference between the two is that in GitOps, the git repository is the source of truth for the deployment state, while in DevOps, it is the application or server configuration files.
GitOps is a branch of DevOps that focuses on using git repositories to manage infrastructure and application code deployments. The main difference .....
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 framework, Vaadin is compatible with the most popular Java security solutions.
Almost all web application frameworks include their security-relevant functions and provide the respective interfaces to external security solutions. .....
Vaadin has a fantastic Grid component that also can be made editable. But the configuration of the behavior, especially if you want to use the UI with the keyboard, can be complicated. In this blog post, I show you how this can be achieved.
Vaadin has a fantastic Grid component that also can be made editable. But the configuration of the behavior, especially if you want to use the UI with.....
I’m a passionate Java, performance optimization, and application integration expert with over 25 years of experience creating efficient programming solutions as a developer, architect, and technical lead.
As the owner of 72 Services LLC, I help customers modernize their legacy applications and create new state-of-the-art software with modern technologies.
An active member of the Java community process, I received the Vaadin Community Award in 2021 and 2022 and made key contributions to JSR-352 Batch Applications, JSR-354 Money, and Currency API. I’m also an Oracle ACE Associate.
In addition to coaching and teaching clients to optimize IT functions within business environments, I have been an Adjunct Professor at Berne University of Applied Science in Switzerland.
I look forward to your contact
