Given this pod volume mount snippet, what file content will appear inside the container at /etc/config/app.properties if the ConfigMap app-config has a key app.properties with value mode=production?

medium📝 Command Output Q13 of 15

Kubernetes - ConfigMaps

Given this pod volume mount snippet, what file content will appear inside the container at /etc/config/app.properties if the ConfigMap app-config has a key app.properties with value mode=production?

volumes:
  - name: config-volume
    configMap:
      name: app-config
containers:
  - name: app
    image: myapp
    volumeMounts:
      - name: config-volume
        mountPath: /etc/config
        readOnly: true

AA directory named app.properties with no content

BNo file created because mountPath is a directory

CA file named app.properties with content 'mode=production'

DA file named app.properties with content 'mode=development'

Step-by-Step Solution

Solution:

Step 1: Understand ConfigMap key to file mapping
Each key in ConfigMap becomes a file with that name and its value as content.
Step 2: Check mountPath and file presence
Mounting at /etc/config creates files inside that directory, including app.properties with content mode=production.
Final Answer:
A file named app.properties with content 'mode=production' -> Option C
Quick Check:
ConfigMap key = filename, value = file content [OK]

Quick Trick: ConfigMap keys become files with their values inside mountPath [OK]

Common Mistakes:

Thinking mountPath must be a file, not directory
Assuming file content changes without ConfigMap update
Confusing file name with directory

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More Kubernetes Quizzes

Given this pod volume mount snippet, what file content will appear inside the container at /etc/config/app.properties if the ConfigMap app-config has a key app.properties with value mode=production?

Step 1: Understand ConfigMap key to file mapping

Step 2: Check mountPath and file presence

Final Answer:

Quick Check:

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