26-VOLUMES-PV-PVC.md

How to create kubectl alias (optional):

• alias k=kubectl

Documentation:

• https://kubernetes.io/docs/concepts/storage/volumes/
• https://kubernetes.io/docs/concepts/storage/persistent-volumes/

Persistent Volumes:

apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv-log
spec:
  capacity:
    storage: 100Mi
  accessModes:
  - ReadWriteMany
  persistentVolumeReclaimPolicy: Retain
  hostPath:
    path: /pv/log

Create it:

• k apply -f pv-definition.yml

PVC:

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: my-pvc
spec:
capacity:
  storage: 1Gi
resources:
  requests:
    storage: 500Mi
accessModes:
  - ReadWriteOnce

POD:

apiVersion: v1
kind: Pod
metadata:
  name: mypod
spec:
  containers:
    - name: my-nginx
      image: nginx
      volumeMounts:
      - mountPath: "/var/www/html"
        name: mypd
  volumes:
    - name: mypd
      persistentVolumeClaim:
        claimName: my-pvc

volumes:

• name: default-token-qq6ns secret: defaultMode: 420 secretName: default-token-qq6ns