https://hub.docker.com
https://registry.docker-cn.com
http://hub-mirror.c.163.com
https://hub.daocloud.io
https://hub.tenxcloud.com
https://docker.m.daocloud.io
https://dockerproxy.com
https://docker.nju.edu.cn
修改 daemon.json 文件的 registry-mirrors 部分，之后重启 docker 服务即可
"registry-mirrors": [
"https://registry.docker-cn.com",
"https://dockerproxy.com",
"https://docker.m.daocloud.io",
"https://docker.nju.edu.cn",
"http://hub-mirror.c.163.com"
],
拉取镜像时指定仓库地址即可，如
docker pull dockerproxy.com/opensuse/leap:15.5