清空 Docker 日志占用的磁盘空间

将以下代码存成.sh 文件，执行一下即可

#!/bin/sh

echo ======== start clean docker containers logs ========

logs=$(find /var/lib/docker/containers/ -name *-json.log)

for log in $logs
        do
                echo clean logs : $log
                cat /dev/null > $log
        done

echo ======== end clean docker containers logs ========