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Using ConfigMaps

ConfigMaps allow you to decouple configuration artifacts from container images, making your applications more portable and easier to manage.

Ways to Create ConfigMaps:

  • From literal values
  • From files
  • From directories

Example (from literal):

kubectl create configmap app-config --from-literal=APP_MODE=production

Example Pod using ConfigMap:

env:
- name: APP_MODE
  valueFrom:
    configMapKeyRef:
      name: app-config
      key: APP_MODE

ConfigMaps can also be mounted as volumes into containers, making them flexible for various use cases.

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