Open SourcerersAnything related to DevOps
Source: https://commons.wikimedia.org/wiki/File:Grand_Turk(34).jpg (Georges Jansoone) Abstract In the rapidly evolving landscape of software development, documentation of modifications and updates is crucial for maintaining project continuity and ensuring team alignment. This blog article introduces Conventional Changelog, a tool developed to address this very challenge. The tool transforms a project’s commit history into a detailed, readable changelog. Its […]
From Java code in your repo to a running Pod on Kubernetes. This article explains all the steps needed, including basic shortcuts.
Introduction This article is a step by step example, how to develop, build and deploy a cloud native application with its infrastructure components. This cloud native application uses OpenShift as the underlying application platform with following features: The use case is a feedback form, where users can give their feedback. The repositories for this application […]
Are you a developer or just a curious individual who wants to dip their toes in the Cloud, but are not sure whether to go for OpenShift Local or Single Node OpenShift? You’ve come to the right place. In this article, I will explore the differences and similarities between these two variants of OpenShift, so […]
How to achieve a sound & compelling governance handling change requests, incidents and problem tickets in a DevSecOps scenario – based on authors’ field experience with end to end automation.
In my previous post I described how to manually export/import a Docker image from one system into the Docker registry of OpenShift. A next step would be to push an image from a non OpenShift system directly into the registry. The documentation of OpenShift recommends to secure the registry before opening it for external access. […]
During many customer discussions on PaaS, the same question does come up: “Can I use my own Docker images in OpenShift?” While the simple answer obviously is: “Well, sure! OpenShift makes use of Docker und Kubernetes“ Making it work, is a little bit more complex – until one finally understands it. In this blog I […]
Motivation This is a follow-up on my initial posting on IaaS vs PaaS. While part 1 was an introduction into what IaaS is and how PaaS differs, this posting will look into an exemplary business-case, comparing those two approaches. The scenario and the numbers used in this business-case will be simple, as this exercise is not […]
Red Hat has released OpenShift v3 last week at the summit. Time for me to go out and explore the new features of OpenShift. I thought the beta training content would be a good starting point. Soon I had to learn, that some of the example files were not adjusted for latest kubernetes API changes. […]
Pre-Note This article describes how I created my demo build pipeline, as shown in my previous post It does now show best practices or recommended ways. It’s just my way of doing it! If you follow these instructions, I do expect you to have some level of knowledge on: how to handle Red Hat Enterprise Linux […]