解决不能拉取 docker 镜像

# 编辑镜像仓库文件
sudo vi /etc/docker/daemon.json
{
"registry-mirrors": ["https://registry.docker-cn.com","https://s3d6l2fh.mirror.aliyuncs.com"]
}

# 重启docker
sudo systemctl restart docker

参考
https://blog.csdn.net/u010197332/article/details/127389815