# 宿主机docker修改镜像源
$ sudo mkdir -p /etc/docker
$ sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://a8qh6yqv.mirror.aliyuncs.com"]
}
EOF
$ sudo systemctl daemon-reload
$ sudo systemctl restart docker

$ sudo docker login --username=你的阿里云登录帐号 registry.cn-hangzhou.aliyuncs.com
Password: # aliyun访问凭证中设置密码，不是aliyun登录密码
Login Succeeded

$ sudo docker pull registry.cn-hangzhou.aliyuncs.com/空间名/仓库

$ sudo docker tag <已存在镜像ID或名称> registry.cn-hangzhou.aliyuncs.com/空间名/仓库
$ sudo docker push registry.cn-hangzhou.aliyuncs.com/空间名/仓库