apiVersion: v1
kind: Pod
metadata:
  name: init-pass-secret-pod
  namespace: pu-user1-pa-app2
spec:
  initContainers:
    - name: init
      image: busybox:1.37.0
      volumeMounts:
        - name: var-secret-volume
          mountPath: /unip/var-secret
          readOnly: true
        - name: prepared-env-var-volume
          mountPath: /unip/prepared-env-var
      command: ['sh', '-c', 'echo -n "var=" > /unip/prepared-env-var/env-var && cat /unip/var-secret/var | paste -sd "," - >> /unip/prepared-env-var/env-var']
  containers:
    - name: busybox
      image: busybox:1.37.0
      command: ['sh', '-c', 'source <(grep "=" /unip/prepared-env-var/env-var) && /bin/sh -c "echo $var"']
      volumeMounts:
        - name: prepared-env-var-volume
          mountPath: /unip/prepared-env-var
  restartPolicy: Never
  volumes:
    - name: var-secret-volume
      secret:
        secretName: var-secret
    - name: prepared-env-var-volume
      emptyDir:
        sizeLimit: 10Mi