Kubernetes runtimes
Kubernetes originally only supported Docker as a container runtime engine. But that is no longer the case. Rkt is another supported runtime engine and there are interesting attempts to work with Hyper.sh containers via Hypernetes. A major design policy is that Kubernetes itself should be completely decoupled from specific runtimes. The interaction between Kubernetes and the runtime is through a relatively generic interface that runtime engines must implement. Most of the communication is using the pod and container concepts and the operations that can be performed on a container. Each runtime engine is responsible for implementing the Kubernetes runtime interface to be compatible.
In this section, you'll get a closer look at ...
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