docker日志清理

https://blog.csdn.net/yjk13703623757/article/details/80283729

# vim /etc/docker/daemon.json

{
"registry-mirrors": ["http://f613ce8f.m.daocloud.io"],
"log-driver":"json-file",
"log-opts": {"max-size":"500m", "max-file":"3"}
}