VSHN.timer #151: Something about Containers

Welcome to another VSHN.timer! Every Monday, 5 links related to Kubernetes, OpenShift, CI / CD, and DevOps; all stuff coming out of our own chat system, making us think, laugh, or simply work better.

This week we’re going to talk about containers, the essential building block of modern Cloud Native applications.

1. Ephemeral containers is an upcoming stable feature of Kubernetes 1.25 letting you run a container next to a running Pod. This comes in handy when troubleshooting distroless images, where kubectl exec won’t work. MetalBear explains everything you need to know about them.

https://metalbear.co/blog/getting-started-with-ephemeral-containers/

New container escape dropped pic.twitter.com/jlegz0WKx1

— Jason (@ImJasonH) August 26, 2022

2. Matt Rickard explains some non-trivial uses of Docker, beyond the usual docker build and docker run commands: as a compiler, as a task runner, as an alternative to make, as a cross-platform compatibility layer, and more.

https://matt-rickard.com/non-obvious-docker-uses

3. Bitnami has been offering great base container images for a long time. Now they’ve reorganized them using a monorepo approach, so that users can navigate through all Bitnami containers in a single repository.

https://blog.bitnami.com/2022/07/new-source-of-truth-bitnami-containers.html

4. Great news for all of us who build container images with GitLab: Podman 4.2.0 now supports the GitLab Runner, which means that we can use it to create container images directly in our CI/CD pipelines. Oh, and there’s Podman Desktop now, too, have you tried it?

https://github.com/containers/podman/releases/tag/v4.2.0

5. Don’t miss ContainerDays 2022 next week in Hamburg! The agenda promises a great learning experience on various container-related subjects, like Kubernetes, Cloud Native, DevOps, GitOps, Edge Computing, and much more, in the Kampnagel international culture factory.

https://www.containerdays.io/

Are you attending ContainerDays next week? Are you more of a Docker or a Podman kind of DevOps engineer? Would you like to share some container tips and tricks with the community? Get in touch with us, and see you next week for another edition of VSHN.timer.

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PS³: check out our previous VSHN.timer editions about Containers: #12, #17, #40, #51, #54, #71, #81, #108, #124, and #144.