Open Sourcerers
In this blog I will guide you on How to enable an application performance monitoring (APM). How to scale a user application based on application metrics with a Horizontal Pod Autoscaler (HPA). How to create an alert based on application metrics and send this alert to an external system. For the monitoring, I will use […]
Introduction When you are serious about running a microservice architecture at scale, you will definitely run into some challenges at some point. Beside all the benefits microservices deliver, they’ll also add a layer of complexity and have all the associated complexities of a distributed system. And as the number of services scales, it becomes increasingly […]
Almost! We run MicroShift on a Raspberry Pi4. MicroShift is an experimental flavour of OpenShift/Kubernetes optimized for the device edge. It targets the niche between minimal, standalone Linux edge devices and full-fledged OpenShift/Kubernetes edge clusters. You can find more details about MicroShift at https://next.redhat.com/project/microshift/ MicroShift is a research project being worked on upstream in the […]
Quickly creating a REST CRUD service with Quarkus, making use of Dev Services for databases and a few extensions to move your service to a Kubernetes cluster.
Kelsey Hightower stated already in 2017, that Kubernetes is not a Platform by itself, but rather a better way to start to build a platform. But what does that really mean? From my point of view, this means that Kubernetes is a platform that provides a core abstraction- and Service layer for cloud-native applications to […]
Adopting Kubernetes in an Enterprise is a daunting task. In this series of articles I am trying to give you an opinionated view on what you might need to consider when you are in the middle of rolling out Kubernetes within your organisation. Whether you are a developer or an IT operator, I am trying […]
Finally, the time has come. The first personal event after Corona. The Container Days 2021 were just around the corner. Right on time for the start of the event, the location presented itself from its best side. It was rainy. At the latest now it was clear: I’m in the north of Germany, on the […]
As Kubernetes gets more and more adopted, the need for tools to manage diverse and widespread installations grows. Red Hat’s answer to that challenge is Red Hat Advanced Cluster Management for Kubernetes (RHACM). This article is the continuation of my first article on policies in RHACM, which can be found here: Now I want to […]
As Kubernetes gets more and more adopted, the need for tools to manage diverse and widespread installations grows. Red Hat’s answer to that challenge is Red Hat Advanced Cluster Management for Kubernetes (RHACM). Its range of features is divided into four main areas, which can also easily be seen in its UI (Note: The Screenshots […]
If the COVID-19 epidemic taught us one lesson, then it is how dependent we are on data exchange over the internet. Just think back to yourself, how did you pass by 2020/2021? How did you exchange data with service providers or your employer? How did you entertain yourself while being under lock down or how […]