apiVersion: v1
kind: Pod
metadata:
  name: busybox-sleep-configmap
spec:
  containers:
  - name: busybox
    image: busybox
    args:
    - sleep
    - "1000000"
    envFrom:
      - configMapRef:
          name: busybox-sleep-configmap
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: busybox-sleep-configmap
data:
  DOMAIN: k8s.ungleich.ch
  EMAIL: someone@example.org