vim /etc/containers/registries.conf

################################################
unqualified-search-registries = ["docker.io"]

[[registry]]
prefix = "docker.io"
location = "l6p4ic76.mirror.aliyuncs.com"
#################################################

vim /etc/docker/daemon.json

{
  "registry-mirrors": ["https://l6p4ic76.mirror.aliyuncs.com"],
  "log-driver":"json-file",
  "log-opts": {"max-size":"500m", "max-file":"3"}
}

systemctl restart docker

> 南京大学
https://docker.nju.edu.cn/

> 网易
http://hub-mirror.c.163.com

> 腾讯云 docker hub mirror
https://mirror.ccs.tencentyun.com

> docker中国
https://registry.docker-cn.com

> 我的 daocloud
http://f1361db2.m.daocloud.io

> 我的华为云
https://326fcbdbb5c7487aa2d8180833e71119.mirror.swr.myhuaweicloud.com

) 我的阿里云
https://l6p4ic76.mirror.aliyuncs.com

查看镜像源
docker info
podman info