1.vi /etc/docker/daemon.json
{
"registry-mirrors": ["https://registry.docker-cn.com","https://nrbewqda.mirror.aliyuncs.com","https://dmmxhzvq.mirror.aliyuncs.com"]
}
2.
systemctl daemon-reload
3.service docker restart
原文：https://www.cnblogs.com/sophia201552/p/14989462.html