docker pull改成國內映象

1. 修改docker配置檔案

vim /etc/docker/daemon.json

2. 獲取映象地址連結

http://cr.console.aliyun.com/cn-hangzhou/instances/mirrors

3. 寫入

{
    "registry-mirrors": ["http://20hvz6dt.mirror.aliyuncs.com"]
}

4. 重啟docker

systemctl daemon-reload
systemctl restart docker