Kubernetes absolutely does not force you to use the docker runtime. In fact, there has been a lot of work to avoid this by creating the CRI[0]. Kubernetes als

Kubernetes absolutely does not force you to use the docker runtime. In fact, there has been a lot of work to avoid this by creating the CRI[0]. Kubernetes also supports extensions like the Third Party Resource or their successor, Custom Resource Definitions. KubeVirt[1] is an example of extending resources to include VMs [0] http://blog.kubernetes.io/2016/12/container-runtime-interface-cri-in-kubernetes.html http://blog.kubernetes.io/2016/12/container-runtime-interfac... [1] https://github.com/kubevirt/kubevirt https://github.com/kubevirt/kubevirt