[Solved] Given this pod spec snippet, what will be the value of environment variable DB_PASSWORD inside the container? env: - name: DB_PASSWORD valueFrom: secretKeyRef: name: db-secret key: password | Microservices

Microservices - Orchestration with Kubernetes

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

env:
  - name: DB_PASSWORD
    valueFrom:
      secretKeyRef:
        name: db-secret
        key: password

AThe literal string 'db-secret'

BThe value of the 'password' key in the 'db-secret' Secret

CAn empty string

DThe name of the Secret object

Step-by-Step Solution

Solution:

Step 1: Understand valueFrom with secretKeyRef
The environment variable is set from a key inside a Secret named 'db-secret'.
Step 2: Identify the key used
The key specified is 'password', so the value will be the Secret's 'password' data.
Final Answer:
The value of the 'password' key in the 'db-secret' Secret -> Option B
Quick Check:
Secret key reference sets env var = C [OK]

Quick Trick: secretKeyRef pulls specific key value from Secret [OK]

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