[Solved] Given this Pod spec snippet, what will be the value of environment variable API_KEY inside the container?env: - name: API_KEY valueFrom: secretKeyRef: name: api-secret key:... | Kubernetes

Kubernetes - Secrets

Given this Pod spec snippet, what will be the value of environment variable API_KEY inside the container?

env:
- name: API_KEY
  valueFrom:
    secretKeyRef:
      name: api-secret
      key: key1

Assuming the Secret api-secret has key1: abc123.

Aapi-secret

Babc123

Ckey1

Dnull

Step-by-Step Solution

Solution:

Step 1: Understand Secret key reference
The env var API_KEY gets value from Secret api-secret key key1.
Step 2: Check Secret data
The Secret's key1 value is abc123, so API_KEY will be abc123.
Final Answer:
abc123 -> Option B
Quick Check:
Secret key value = API_KEY value = abc123 [OK]

Quick Trick: Secret key value becomes env var value [OK]

Common Mistakes:

Master "Secrets" in Kubernetes

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Given this Pod spec snippet, what will be the value of environment variable API_KEY inside the container?