首先登陆阿里云账号，配置镜像加速器

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    1. sudo mkdir -p /etc/docker
    2. sudo tee /etc/docker/daemon.json <<-'EOF'
    3. {
    4.   "registry-mirrors": ["https://ih6ompd7.mirror.aliyuncs.com"]
    5. }
    6. EOF
    7. sudo systemctl daemon-reload
    8. sudo systemctl restart docker