docker修改国内源

sudo gedit /etc/docker/daemon.json

添加以下内容

{
"registry-mirrors": [ "https://1nj0zren.mirror.aliyuncs.com",
        "https://docker.mirrors.ustc.edu.cn",
        "http://f1361db2.m.daocloud.io",
        "https://registry.docker-cn.com"]
}

重启docker

sudo systemctl restart docker