How do you correctly specify a Secret named db-secret to set an environment variable DB_PASS in a Pod manifest?

easy📝 Syntax Q3 of 15

Kubernetes - Secrets

How do you correctly specify a Secret named db-secret to set an environment variable DB_PASS in a Pod manifest?

<pre>env:
- name: DB_PASS
  valueFrom:
    secretKeyRef:
      name: db-secret
      key: password</pre>

<pre>env:
- name: DB_PASS
  value: db-secret.password</pre>

<pre>env:
- name: DB_PASS
  secretRef:
      name: db-secret
      key: password</pre>

<pre>env:
- name: DB_PASS
  valueFrom:
    configMapKeyRef:
      name: db-secret
      key: password</pre>

Step-by-Step Solution

Solution:

Step 1: Use valueFrom with secretKeyRef
To reference a Secret key as an env var, use valueFrom.secretKeyRef with name and key.
Step 2: Confirm correct syntax
```
env:
- name: DB_PASS
  valueFrom:
    secretKeyRef:
      name: db-secret
      key: password
```
correctly uses secretKeyRef with name 'db-secret' and key 'password'.
Final Answer:
Option A -> Option A
Quick Check:
secretKeyRef with name and key [OK]

Quick Trick: Use valueFrom.secretKeyRef with name and key [OK]

Common Mistakes:

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