GKE
GKE pod failed to pull its container image
ImagePullBackOff
A Google Kubernetes Engine pod could not pull its image from the registry, so Kubernetes backed off subsequent pull attempts and reported ImagePullBackOff.
Error AtlasError Documentation and ResolutionObserved message
ImagePullBackOff
Why it happens
- The image name or tag is wrong or no longer exists in the registry.
- The cluster lacks permission to pull from the registry.
- Network or DNS issues prevent the node from reaching the registry.
How to fix it
- Verify the full image reference including the tag.
- Confirm the cluster or workload identity can access the registry.
- Review cluster connectivity, DNS, and firewall rules affecting registry access.
Official reference
Google Cloud: Troubleshoot image pulls in GKERelated errors
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