Docker seems fine; why did Kubernetes deprecate it?

Photo by Stanley Dai on Unsplash

What are Container Runtimes?

Container Runtimes

Is Docker a high-level or low-level container runtime?

Docker Engine Architecture
docker container run -it — name <container-name> <image>:<image-tag>

Container Runtime Interface between Kubernetes and Docker

Kubelet with Containerd runtime
Kubelet with Docker runtime

Docker seems fine, why the deprecation?

If not Docker, what are the other options?

What if I still need Docker as my Kubernetes runtime?

Who/What is impacted by this change?

Are the businesses impacted?

Do Developers / Admins need to care?

What about the Kubernetes based CI/CD processes?

CI/CD builds with or without Docker


A DevOps consultant at @ Levvel. Cloud, containers, CI/CD and configuration management specialist. LinkedIn:

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