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Kubernetes: using the Downward API to access pod/container metadata

The Kubernetes Downward API allows a pod to get access to metadata about itself and the cluster without creating a tight coupling to the Kubernetes API.  For example, information such as pod name, labels, annotations, IP address, node, and cpu/memory limits can be made available inside the pod. In this article, I’ll show how to Kubernetes: using the Downward API to access pod/container metadata