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...

This article describes how to deploy and configure the GitOps tool ArgoCD on OpenShift. GitOps Operator In order to install GitOps in OpenShift, there is an operator ‘Red Hat OpenShift GitOps’. T...

This article explains how to access GitHub repositories from Tekton tasks on behalf of specific users via ssh. In my application modernization example I use Tekton pipelines to deploy the moderniz...

In this blog I explain briefly how to ‘debug’ Tekton tasks. In my previous article Sample Tekton Pipelines for Microservices I described how to deploy microservices to OpenShift using Tekton. Runn...

This article describes how microservices can be deployed via Tekton on OpenShift. A sample application is used which you can try yourself. Application modernization provides several benefits, for ...

This article explains how to install Tekton on OpenShift and how to run pipelines of a cloud native sample application. Tekton is an open source CNCF project to run CI/CD pipelines in Kubernetes c...

When starting to develop microservices and micro frontends, often CORS needs to be used to load web resources from different domains. Read on to learn how to enable CORS in Quarkus and Open Liberty...

Many web applications use Nginx as web server to host web resources like HTML and JavaScript. This article describes a mechanism to deploy Nginx on OpenShift, the Kubernetes distribution for enterp...

This article describes how to use a managed PostgreSQL database in a Quarkus microservice and how to handle TLS certificates. In my application modernization example I have used Postgres as datast...