定位docker占用磁盘最大的容器

安装ncdu

可以一层层找到目录

定位容器id

/var/lib/docker/overlay2/8407f7f53a0a7551421b6cabaf5310b81c323aa4751a063060e2ec5b60ad4d0c/merged替换成实际的

for container in `docker ps -a -q`;do docker inspect $container|grep /var/lib/docker/overlay2/8407f7f53a0a7551421b6cabaf5310b81c323aa4751a063060e2ec5b60ad4d0c/merged > /dev/null&& echo $container;done