How the CRI Works

Learn how the CRI works in Kubernetes.

Overview

In Kubernetes, the smallest deployable and schedulable unit is a Pod. One or more containers are grouped into one Pod. Such a Pod design can well support multiple cooperating processes for a cohesive unit of Service. Each process runs in a separate container. Multiple containers serve as a standalone Service or application.

But how does kubelet turn a Pod to multiple running containers?

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