Applications and microservices should be developed in a way that they can be deployed to different environments. This article describes how to apply this principle to web applications running in co...

Kubernetes operators are incredibly powerful to deploy applications and automate day 2 operations. While most operators are implemented in Go, there is also a Quarkus extension for Java developers....

Developing backend or frontend applications locally often involves access to other remote services, for example databases. This article describes how development and debugging can be done locally a...

Kubernetes operators are incredibly powerful to deploy applications and automate day 2 operations. This articles gives a quick overview of resources how to get started. Recently I’ve started to le...

Typical business applications require backend and frontend functionality as well as databases and authentication mechanisms. This article describes a pattern how to do authentication in these types...

Applications and microservices should be developed to allow deployments to different environments. This article describes how to apply this principle to Quarkus applications. The third factor of T...

Accessing PostgreSQL from applications is easy. Doing it the right way from containers using secure TLS connections is a little harder. Over the last months I’ve worked with many companies who wan...

Good SaaS solutions provide efficient mechanisms how to deploy and operate the same software for multiple clients, but don’t necessarily share the same compute resources because of security reasons...

Development and automated deployment of SaaS for multiple tenants, using Red Hat OpenShift/Kubernetes and DevSecOps Over the last months I’ve worked with many companies who want to build SaaS (Sof...

This article demonstrates a typical scenario how to deploy a microservice on OpenShift using the GitOps capabilities of ArgoCD. In a previous article I described how to install and configure ArgoC...