vi cleandocker.sh

#!/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   =========================="

chmod  cleandocker.sh

./cleandocker.sh