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DevOps · Concept

image layer

An image layer is a reusable part of a container image stored by the container runtime. Reusing layers can reduce downloads when a Pod starts.

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Syntax

image: <registry>/<repository>@<digest>

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  • container image
  • imagePullPolicy
  • image digest
  • image tag
  • container runtime
  • image registry

Source: Images | Kubernetes. Checked 2026-11-03.