docker查看磁盘占用情况

[root@node01 ~]# docker system df
TYPE            TOTAL     ACTIVE    SIZE      RECLAIMABLE
Images          1201      51        137.1GB   129.6GB (94%)
Containers      196       94        507.7MB   208.1MB (40%)
Local Volumes   12        8         43.87MB   468.7kB (1%)
Build Cache     0         0         0B        0B