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3.understand-configmap.MD

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ConfigMap

cat game.properties

#configmap from file
kubectl create configmap game-config --from-file=game.properties
kubectl create configmap game-env-config --from-env-file=game.properties
kubectl get configmap -oyaml game-config

ConfigMap from literal

kubectl create configmap special-config --from-literal=special.how=very --from-literal=special.type=charm
#downward api pod
kubectl create -f downward-api-pod.yaml
kubectl get po downward-api-pod
kubectl logs -f downward-api-pod