Categories
00 - Cloud-Native App Dev

Approaching the Kubernetes Bridge – Multi-container Apps with Rootless Podman

In the year 2023 we celebrate the 10th anniversary of Docker and the 9th anniversary of Kubernetes. Container technology has now become mainstream. But recent advances in the Podman ecosystem prove that innovation in the container world is still happening at a strong pace. Podman 4 was released in February 2022 and brought considerable improvements […]

Categories
00 - Open Source Innovation

Quantum Computing – How to start and how to say “Hello World!”

Introduction In my previous post on Open Source and Quantum Computing Quantum Computing: Open Source from the Start we learned about Quantum Computing in general and how Open Source is used to provide access to this new computing paradigm. This post will now focus on how to get started and provide a very easy guide […]

Categories
00 - Cloud-Native App Dev

Automated Application Packaging And Distribution with OpenShift – Helm Charts and Operators – Part 2/4

Part two of the article series. This time about Helm Charts, Operators and various CLI tools to work with container images.

Categories
00 - Cloud-Native App Dev

How to go from Docker to Kubernetes the right way

Docker came a long way. It established itself very fast as the de-facto standard to get going with your container journey. It did not matter if you wanted to just play around with containers or if you wanted to build up new microservices, Docker was and still is a great choice to get yourself started. […]

Categories
00 - Hybrid Cloud Infrastructure

Container images, multi-architecture, manifests, ids, digests – what’s behind?

Many of us use container images from day to day, maybe also in many various architectures. For example on your Raspberry PI (aarch64), do you really know how it works in detail? I have worked with container images more or less since 2015 but during an OpenShift 4 air-gapped installation and mirroring of images into […]

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