vi /etc/docker/daemon.json
# 内容如下：
{
"registry-mirrors": [
"https://xx4bwyg2.mirror.aliyuncs.com",
"http://f1361db2.m.daocloud.io",
"https://registry.docker-cn.com",
"http://hub-mirror.c.163.com",
"https://docker.mirrors.ustc.edu.cn",
"https://dockerproxy.com",
"https://mirror.baidubce.com",
"https://docker.nju.edu.cn",
"https://mirror.iscas.ac.cn",
"https://hub-mirror.c.163.com",
"https://ccr.ccs.tencentyun.com"
]
}
# 退出并保存
:wq
# 使配置生效
systemctl daemon-reload
# 重启Docker
systemctl restart docker