docker 鏡像加速，修改為阿里雲鏡像

首先訪問 登錄阿里雲 https://cr.console.aliyun.com/cn-hangzhou/instances/mirrors，會獲取專屬的鏡像地址

 

centos用戶執行下列操作即可

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["自己的鏡像地址"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker