vim /etc/docker/daemon.json{"registry-mirrors": ["https://4xgbe4ey.mirror.aliyuncs.com","https://registry.docker-cn.com","https://hub-mirror.c.163.com","https://docker.mirrors.ustc.edu.cn","https://daocloud.io","https://docker.m.daocloud.io"],"exec-opts":["native.cgroupdriver=systemd"],"max-concurrent-downloads":10,"max-concurrent-uploads":5,"log-opts":["max-size":"300m","max-file":"3"]"live-restore":true}