挂载到emptyDir
挂载在如下目录，此目录是pod所在的node节点主机的目录，此目录下的data即对应容器里的/usr/share/nginx/html，实现目录挂载；图1红框里的号对应docker 的name中的编号，如下俩个图
apiVersion: apps/v1
kind: Deployment
metadata:annotations:deployment.kubernetes.io/revision: "1"kubectl.kubernetes.io/last-applied-configuration: |{"apiVersion":"apps/v1","kind":"Deployment","metadata":{"annotations":{"deployment.kubernetes.io/revision":"1"},"creationTimestamp":"2023-05-08T13:55:49Z","generation":1,"labels":{"app":"web"},"name":"web","namespace":"dalong-test-1","resourceVersion":"228450","uid":"359f54a6-cb5f-4168-82b2-fc0266c56e52"},"spec":{"progressDeadlineSeconds":600,"replicas":1,"revisionHistoryLimit":10,"selector":{"matchLabels":{"app":"web"}},"strategy":{"rollingUpdate":{"maxSurge":"25%","maxUnavailable":"25%"},"type":"RollingUpdate"},"template":{"metadata":{"creationTimestamp":null,"labels":{"app":"web"}},"spec":{"containers":[{"image":"nginx:1.17","imagePullPolicy":"Always","name":"nginx","resources":{},"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File"}],"dnsPolicy":"ClusterFirst","restartPolicy":"Always","schedulerName":"default-scheduler","securityContext":{},"terminationGracePeriodSeconds":30}}},"status":{"availableReplicas":1,"conditions":[{"lastTransitionTime":"2023-05-08T13:56:03Z","lastUpdateTime":"2023-05-08T13:56:03Z","message":"Deployment has minimum availability.","reason":"MinimumReplicasAvailable","status":"True","type":"Available"},{"lastTransitionTime":"2023-05-08T13:55:49Z","lastUpdateTime":"2023-05-08T13:56:03Z","message":"ReplicaSet \"web-96d5df5c8\" has successfully progressed.","reason":"NewReplicaSetAvailable","status":"True","type":"Progressing"}],"observedGeneration":1,"readyReplicas":1,"replicas":1,"updatedReplicas":1}}creationTimestamp: "2023-08-12T07:23:41Z"generation: 1labels:app: webname: webnamespace: dalong-test-1resourceVersion: "816863"uid: 75552def-ddb5-4f97-81fb-d06cb5128432
spec:progressDeadlineSeconds: 600replicas: 1revisionHistoryLimit: 10selector:matchLabels:app: webstrategy:rollingUpdate:maxSurge: 25%maxUnavailable: 25%type: RollingUpdatetemplate:metadata:creationTimestamp: nulllabels:app: webspec:containers:- image: nginx:1.17imagePullPolicy: Alwaysname: nginxresources: {}terminationMessagePath: /dev/termination-logterminationMessagePolicy: FilevolumeMounts:- name: datamountPath: /usr/share/nginx/htmldnsPolicy: ClusterFirstrestartPolicy: AlwaysschedulerName: default-schedulersecurityContext: {}terminationGracePeriodSeconds: 30volumes:- name: dataemptyDir: {}
status:availableReplicas: 1conditions:- lastTransitionTime: "2023-08-12T07:51:46Z"lastUpdateTime: "2023-08-12T07:51:46Z"message: ReplicaSet "web-7675fc7857" has successfully progressed.reason: NewReplicaSetAvailablestatus: "True"type: Progressing- lastTransitionTime: "2023-08-19T06:04:37Z"lastUpdateTime: "2023-08-19T06:04:37Z"message: Deployment has minimum availability.reason: MinimumReplicasAvailablestatus: "True"type: AvailableobservedGeneration: 1readyReplicas: 1replicas: 1updatedReplicas: 1
