Published on 25 Mar 2020
When authenticating against a container registry, the user only supplies username and password. But in the background, Docker daemon and registry are using token authentication. This post demonstrates how to build a registry with a separate authentication service for token authentication.
Published on 24 Jan 2020
This week I had the honour of giving a talk at the Docker Virtual Meetup about how to improve your Docker image builds. It was a very interactive crowd :-)
Published on 05 Dec 2019
There has been much confusion around the container entrypoint and parameters. This post will shed some light on this topic and present an script to serve as an flexible entrypoint.
Published on 02 Dec 2019
For the third time in a row, I co-organized a regional IT conference called x-celerate held in Freiburg, Germany. This time, I contributed a talk about covering the following topics:
- Remote build cache using BuildKit
- Build secrets using BuildKit
- Troubleshooting containers
- Vulnerability scans using trivy
- Container image builds using img
- Lightweight Kubernetes using k3s
Published on 01 Dec 2019
Last week I had the chance to talk about observability at our local Devsmeetup. As usual, after the talk we had a very lively discussion about monitoring in general but also about Prometheus and long term storage.
Published on 22 Nov 2019
Last week I had the honour of talking again at ContainerConf 2019 in Mannheim. I consider this conference to be the best German event in the container space. Just like in the two previous years I talked about news with regard to containers. But this year, I decided to stop focussing on Docker but covered Kubernetes as well.
Published on 11 Oct 2019
When working with Kubernetes for the first time, the concept of a pod feels strange because Docker has not prepared us for it ;-) But the idea of a pod can be useful when working with Docker. This post will demonstrate how to use a pod to deploy isolated environments for workshops.
Published on 25 Aug 2019
In a workshop situation, attendees must be able to follow the material in a personal hands-on environment. Docker helps isolating such environments and prevents issues from using the attendees’ laptop. Let me show you how to provide dedicated environments using
Published on 20 Aug 2019
I had the honour to contribute two workshops about Docker to an called Sommercampus held by the faculty of engineering of the university Freiburg:
- Docker for Beginners (slides)
- Docker for Advanced Users (slides)
The demos are part of the slides.
Published on 01 Jul 2019
I am very happy to announce that I have been awarded Microsoft Most Valuable Professional (MVP) in Cloud and Datacenter Management again.
Thank you, Microsoft, for recognizing my contributions to the community.