local/deployment-ephemeral.yaml

---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: deployment-localdisk
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
      name: deployment-localdisk
    spec:
      containers:
        - name: deployment-localdisk
          image: nginx
          command:
            - "/bin/sh"
            - "-c"
            - while true; do echo $(date) >> /mnt/localdisk/outfile; sleep 1; done
          volumeMounts:
            - name: localdisk
              mountPath: "/mnt/localdisk"
      volumes:
        - name: localdisk
          ephemeral:
            volumeClaimTemplate:
              spec:
                accessModes: ["ReadWriteOnce"]
                storageClassName: local-disk
                resources:
                  requests:
                    storage: 10Gi
  strategy:
    rollingUpdate:
      maxSurge: 0
      maxUnavailable: 1
    type: RollingUpdate