sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<EOF
{
"registry-mirrors": ["https://hub.uuuadc.top"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
docker pull hub.uuuadc.top/library/mysql:5.7
说明:library是一个特殊的命名空间,它代表的是官方镜像。如果是某个用户的镜像就把library替换为镜像的用户名