清除docker容器以及服务产生的日志，降低磁盘占用

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 ========"

logs1=$(find /var/lib/docker/overlay2/ -name *.log.*)

for log in $logs1
        do
                echo "clean logs1 : $log"  
                cat /dev/null > $log
        done


echo "======== end clean docker service_back logs ========"  

logs2=$(find /var/lib/docker/overlay2/ -name *.log)

for log in $logs2
        do
                echo "clean logs2 : $log"  
                cat /dev/null > $log
        done


echo "======== end clean docker service logs ========"