How to: Ephemeral Debug Container

1. Overview

2. Primary Use Cases

• Inspecting the runtime environment

• Debugging networking problems

• Investigating performance or process issues

• Debugging sidecars

• When the base image is too minimal

3. What You Can Do

4. How to Use It

kubectl debug \
  <pod-name> \
  --image=alpine:latest \
  --target=<container-name> \
  --stdin --tty --profile=general

Key points

Common tasks once inside

5. Recommended Tooling in Your Debug Image

6. Limitations

7. Security Considerations

8. Best Practices

9. Troubleshooting

Debug container fails to attach

Image won't pull

Wrong container name

Namespace issues

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