Usage:  docker diff CONTAINER
 
Inspect changes on a container's filesystem
 
Options:
      --help   Print usage

列出在容器的文件系统更改的文件和目录。此命令将列出三类事件：
1.A – Add
2.D – Delete
3.C – Change
例如：

$ docker diff 7bb0e258aefe
 
C /dev
A /dev/kmsg
C /etc
A /etc/mtab
A /go
A /go/src
A /go/src/github.com
A /go/src/github.com/docker
A /go/src/github.com/docker/docker
A /go/src/github.com/docker/docker/.git
....