Introduction In this previous post I came accross an issue that I wanted to write about in more details: Why it is bad to rely on any kind of latest tags How docker 19.03-dind will break your gitlab-ci docker builds and what you can do about it If you do not use latest your pipeline is not already broken but this may still be interesting for you since this summary will help you update. Read more

Introduction In this previous post we have been exploring how to build docker images for multiple architectures. In this post we will look into streamlining this approach using docker buildx, both locally and in gitlab-ci. Step-by-step Enable buildx In order to use docker buildx you will need: A recent docker version; I am running 19.03.11 on linux enable the experimental features: export DOCKER_CLI_EXPERIMENTAL=enabled Running docker buildx should show you: Read more

Introduction Since Kubernetes runs on the Raspberry PI I have been investigating ways to build my blog so that it can run on my x86 (Proxmox) as well as ARM Kubernetes cluster, composed of Raspberry PIs and an Nvidia Jetson Nano. This post will take you through my learnings of the taxonomy of architectures and platforms, as well as building docker images for multiple architectures. Architectures Well, I already knew that rpi has a different architecture than my Intel-based hardware, so let’s get into how these are named. Read more