Kubernetes is Deprecating Docker, but Should We Panic?

Kubernetes is Deprecating Docker, but Should We Panic?

The change is that Kubernetes is deprecating Docker as a container runtime after v1.20. let’s understand how Kubernetes was using Docker as an underlying runtime, and this particular change in more detail.

The mention of Kubernetes dropping support for Docker in the release notes raised a lot of eyebrows.

Docker support in the kubelet is now deprecated and will be removed in a future release. The kubelet uses a module called “dockershim” which implements CRI support for Docker and it has seen maintenance issues in the Kubernetes community. We encourage you to evaluate moving to a container runtime that is a full-fledged implementation of CRI

tweet by the Kubernetes SIG Security co-chair, Ian Coldwater didn’t help matters, either.

Docker support is being deprecated in Kubernetes. You need to pay attention to this and plan for it. THIS WILL BREAK YOUR CLUSTERS

The move might come as a shock to anyone who’s been busy spinning up containers and not paying attention to the development of Kubernetes. But it really isn’t such a big deal.

kubernetes

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