apiVersion: v1
kind: Pod
metadata:
  name: secretloader
  labels:
    app: secretloader
spec:
  containers:
    - name: secretloader
      image: nginx
      env:
        - name: USERNAME
          valueFrom:
            secretKeyRef:
              name: grafana-admin-credentials
              key: username
        - name: PASSWORD
          valueFrom:
            secretKeyRef:
              name: grafana-admin-credentials
              key: password