Support for configMap

[surajssd]

There is a heavy usage of configMap in community config repos like fabric8, helm charts, etc. Apart from secret this is one of the important thing that needs to be added. Having app configuration in configmap over k8s configurations allows someone to edit configs in production running services and have it reflected immediately across the cluster. Pattern of using configMaps more is emerging it seems.

Info about configMaps can be found in docs, API references.

$ kubectl explain cm
DESCRIPTION:
ConfigMap holds configuration data for pods to consume.

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