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Scenario #50
Cluster Management
K8s v1.22, custom Docker registry
Failed Deployment Due to Image Pulling Issues
Deployment failed due to image pulling issues from a custom Docker registry.
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What Happened
A deployment failed because Kubernetes could not pull images from a custom Docker registry due to misconfigured image pull secrets.
Diagnosis Steps
- 1Observed ImagePullBackOff errors for the failing pods.
- 2Checked image pull secrets and registry configuration.
Root Cause
Incorrect or missing image pull secrets for accessing the custom registry.
Fix/Workaround
• Corrected the image pull secrets in the deployment YAML.
• Re-deployed the application.Lessons Learned
Image pull secrets must be configured properly for private registries.
How to Avoid
- 1Always verify image pull secrets for private registries.
- 2Use Kubernetes secrets management tools for image pull credentials.