apiVersion: apps/v1
kind: Deployment
metadata:
  name: placeholder
spec:
  template:
    spec:
      containers:
        - name: app
          env:
            - name: DB_HOST
              value: mysql-innodbcluster-router.database-system.svc.cluster.local
            - name: DB_PORT
              value: "3306"
            - name: DB_USER
              valueFrom:
                secretKeyRef:
                  name: mysql-secret
                  key: DB_USER
            - name: DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: mysql-secret
                  key: DB_PASSWORD
            - name: DB_NAME
              valueFrom:
                secretKeyRef:
                  name: mysql-secret
                  key: DB_NAME