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Niklas Heidloff
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Typical Authentication Flow for Kubernetes Applications

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...

Containerizing Quarkus Applications

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 Postgres from Quarkus Containers via TLS

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...

How to build SaaS for multiple Tenants

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...

New Open-Source Multi-Cloud Asset to build SaaS

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...

Using GitOps on OpenShift

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...

Deploying ArgoCD on OpenShift

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...

Accessing GitHub in Tekton Tasks on OpenShift

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...

Debugging Tekton on OpenShift

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...

Sample Tekton Pipelines for Microservices

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 ...

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