[Solved] You wrote this Pod spec to use a Secret as an environment variable but the Pod fails to start:env: - name: PASSWORD valueFrom: secretKeyRef: name: db-secret key:... | Kubernetes

Kubernetes - Secrets

You wrote this Pod spec to use a Secret as an environment variable but the Pod fails to start:

env:
- name: PASSWORD
  valueFrom:
    secretKeyRef:
      name: db-secret
      key: pass

The Secret db-secret exists but the Pod error says key not found. What is the likely problem?

AThe environment variable name PASSWORD is invalid.

BThe Secret name is misspelled in the Pod spec.

CSecrets cannot be used as environment variables.

DThe key name in the Secret is different from 'pass'.

Step-by-Step Solution

Solution:

Step 1: Check Secret key existence
The error indicates the key 'pass' is missing in the Secret data.
Step 2: Verify key name correctness
Most likely the key name in the Secret is different or misspelled, causing the error.
Final Answer:
The key name in the Secret is different from 'pass'. -> Option D
Quick Check:
Key name mismatch causes key not found error [OK]

Quick Trick: Check Secret key names carefully for typos [OK]

Common Mistakes:

Master "Secrets" in Kubernetes

9 interactive learning modes - each teaches the same concept differently

More Kubernetes Quizzes

You wrote this Pod spec to use a Secret as an environment variable but the Pod fails to start: