curl -fsSL https://get.docker.com -o get-docker.sh
sh get-docker.sh --mirror Aliyun
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-‘EOF‘
{
"registry-mirrors": ["https://qp9vybm0.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
原文：https://www.cnblogs.com/shuaiguo/p/13973709.html