Example of Pod using downwards API

downwards-api-pod.yaml

---
# Example of Pod using downwards API
apiVersion: v1
kind: Pod
metadata:
  name: dapi-envars-fieldref
spec:
  containers:
    - name: test-container
      image: registry.access.redhat.com/ubi8/ubi:latest
      command: [ "sh", "-c"]
      args:
      - while true; do
          echo -en '\n';
          date
          echo "NODE:" ${NODE_NAME} "NAMESPACE:" ${POD_NAMESPACE} "SERVICE ACCOUNT:" ${POD_SERVICE_ACCOUNT}
          echo "POD NAME:" ${MY_POD_NAME} "POD IP:" ${MY_POD_IP}
          sleep 10;
        done;
      env:
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: spec.nodeName
        - name: MY_POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        - name: MY_POD_IP
          valueFrom:
            fieldRef:
              fieldPath: status.podIP
        - name: POD_SERVICE_ACCOUNT
          valueFrom:
            fieldRef:
              fieldPath: spec.serviceAccountName
  restartPolicy: Never