cat /dev/null > *-json.log

docker run --log-driver=json-file --log-opt max-size=10m my-container

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