Volumes

PV

HostPath

apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv-hostpath
spec:
  storageClassName: local-storage
  capacity:
    storage: 1Gi
  accessModes:
    - ReadWriteOnce
  hostPath:
    path: "/mnt/data"

PV Claim

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mongodb-pvc
spec:
  resources:
    requests:
      storage: 1Gi
  accessModes:
  - ReadWriteOnce
  storageClassName: "local-storage"

Deploy Pod

apiVersion: v1
kind: Pod
metadata:
  name: mongodb 
spec:
  containers:
  - image: mongo
    name: mongodb
    volumeMounts:
    - name: mongodb-data
      mountPath: /data/db
    ports:
    - containerPort: 27017
      protocol: TCP
  volumes:
  - name: mongodb-data
    persistentVolumeClaim:
      claimName: mongodb-pvc

Storage Class

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: fast
provisioner: kubernetes.io/gce-pd
parameters:
  type: pd-ssd

Empty Dir

apiVersion: v1
kind: Pod
metadata:
  name: emptydir-pod
spec:
  containers:
  - image: busybox
    name: busybox
    command: ["/bin/sh", "-c", "while true; do sleep 3600; done"]
    volumeMounts:
    - mountPath: /tmp/storage
      name: vol
  volumes:
  - name: vol
    emptyDir: {}