Config & Secrets

ConfigMaps, Secrets, and env wiring — trace missing keys and mount failures before restarting pods.

Try before you buy

One warm-up card and one scenario from Config & Secrets — full sessions unlock after purchase.

FoundationWarm-up

Warm-up: what is CreateContainerConfigError?

AnswerFoundation

Kubelet cannot create the container — often a missing Secret, ConfigMap key, or env reference.

Describe the pod before deleting it.

ScenarioLevel 1

Missing Secret key

Deploy after Secret rename; pods CreateContainerConfigError.

Terminal

$ kubectl get pods -n auth
auth-7k2   0/1   CreateContainerConfigError

$ kubectl describe pod auth-7k2 -n auth | tail -2
  Error: secret "auth-tls" not found

You already have this evidence on screen. What do you run now?

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