emptyDir

pod 中的容器可读取、写入到 emptyDir 中相同文件
pod 删除时 emptyDir 被删除

apiVersion: v1
kind: Pod
metadata:
 name: emptydir-pod
spec:
  volumes:
  - name: webroot
    emptyDir: {}
  containers:
  - name: emptydir-pod-nginx
    image: nginx
    volumeMounts:
    - mountPath: /usr/share/nginx/html
      name: webroot
  - name: emptydir-pod-busybox
    image: busybox
    command: ["/bin/sh","-c",'while true;do echo "<h2>`date`</h2>" > /data/webroot/index.html; sleep 3; done']
    volumeMounts:
    - mountPath: /data/webroot/
      name: webroot