Kubernetes - Labels and Selectors
You want to organize your Kubernetes resources using recommended labels for app name, version, and component. Which set of labels should you apply to a backend service named
api version v2?You want to organize your Kubernetes resources using recommended labels for app name, version, and component. Which set of labels should you apply to a backend service named api version v2?
hard📝 Best Practice Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the recommended label keys
Recommended labels use the prefixapp.kubernetes.io/followed by keys likename,version, andcomponent.Step 2: Match the correct values for the backend service
The service is namedapi, versionv2, and componentbackend.app.kubernetes.io/name: api app.kubernetes.io/version: v2 app.kubernetes.io/component: backendcorrectly uses recommended keys and values. Other options either lack theapp.kubernetes.io/prefix or use the wrong version (v1).Final Answer:
app.kubernetes.io/name: api app.kubernetes.io/version: v2 app.kubernetes.io/component: backend -> Option CQuick Check:
Use recommended keys with correct values = A [OK]
Quick Trick: Use full recommended label keys with correct values [OK]
Common Mistakes:
- Using short or incorrect label keys
- Applying wrong version value
- Omitting the recommended prefix
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