添加镜像源

修改Docker配置文件

修改 /etc/docker/daemon.json 以使用国内镜像源

{
    "data-root": "/var/lib/docker",
    "registry-mirrors": [
        "https://docker.mirrors.ustc.edu.cn",
        "https://docker.m.daocloud.io",
        "https://hub-mirror.c.163.com",
        "https://mirror.baidubce.com",
        "https://registry.cn-hangzhou.aliyuncs.com",
        "https://docker.xuanyuan.me",
        "https://docker.nju.edu.cn"
    ]
}

重新加载配置并重启Docker服务

sudo systemctl daemon-reload
sudo systemctl restart docker