[orthoxerox]

The only thing Docker is now useful for is Docker Desktop. Unlike other desktop container software, it actually works on locked down machines in enterprise environments.

K8s can run on any CRI-compatible runtime, and IBM/RedHat don't even want you to install Docker on RHEL8.

[raesene9]

Whilst k8s can run on any CRI compliant runtime, I've never actually seen a prod. deployment use anything other than Docker.