A Pod is the smallest deployable unit in Kubernetes, representing a single instance of a running process in your cluster.
kubectl get pods
Sidecars run alongside the main container in a Pod and are used for tasks like logging, proxying, etc.
Logging agent sidecar example
Pods go through phases: Pending, Running, Succeeded, Failed, and Unknown.
kubectl describe pod
Pods have restart policies: Always, OnFailure, Never.
restartPolicy: Always
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