Another blog on docker depreciation in Kubernetes and what needs to be done about it

In the Kubernetes release v1.20, the development team has marked dockershim as deprecated. There was initially some shock and confusion, as it was perceived that team is moving away from docker completely, however that is not the case. As its turns out, what the team is doing, is steering the Kubernetes away from the proprietary parts of Docker or Docker Engine or just simply called Docker. The Docker Engine is further comprised of many different sub-components like dockerd, containerd, runc etc., many of which were initially developed by Docker Inc and then given away to community. These were later standardized and maintained by the community.

The Kubernetes community has written a detailed blog post about deprecation with a dedicated FAQ page for it. This blog post is being written to understand the impact and what needs to be done about it. Depending on how do you use Docker, think and understand about it, you may or may not have to do anything about it or get worried about sleepless nights.

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