Development

Oh My Zsh is one of the most famous solutions for enhancing your terminal with additional features, plugins, and themes. After my last setup and configuration in 2017/2018, I decided it was time to update my entire configuration. I also took this opportunity to explore new plugins and themes that have become available.

Java and JVM performance monitoring and application profiling is essential not only for critical production workload. JDK Flight Recorder (JFR) and JDK Mission Control are the established solutions here. This article covers the Kubernetes/OpenShift solution Cryostat to bridge the gap to JVM applications in a Kubernetes runtime.

Secrets management in a cloud/Kubernetes and CI/CD context is crucial and should covers various aspect like

• how to maintain secrets in a secured way and avoid persistence in insecure repositories like git
• administrate access using a RBAC and enable segregation of duties
• life cycle management of secrets
• inject secrets automatically into application runtime

Existing solutions provides features to some of the mentioned aspects. One of the most widespread solution is HashiCorp Vault. HashiCorp Vault provides a solution to manage and protect secrets. Additional extensions and open source solutions interacts with HashiCorp Vault to inject secrets into an application context running in a Kubernetes/OpenShift runtime. This article explains some of the options and ends with a comparison.

Quarkus is one of the famous framework for modern Kubernetes native solutions. IBM Cloud Code Engine is the managed offering for serverless platforms. Let’s bring this together and build and run a Quarkus application with IBM Cloud Code Engine.

Docker announced the license and subscription plan changes for the Desktop Docker apps. Now at the latest, one can look for alternatives that have been around for a while. This article covers the replacement of Desktop Docker with podman on macOS.

After many years I have migrated my Wordpress to Gatsby and Netlify. This short article is a sum up of the main steps how to migrate all the existing articles (and images) and what tools I used. Therefor I moved away from Wordpress to Gatsby and Netlify.