1. yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
    2. yum install -y docker-ce docker-ce-cli containerd.io docker-compose
    3. mkdir -p /etc/docker
    4. tee /etc/docker/daemon.json <<-'EOF'
    5. {
    6.   "registry-mirrors": ["https://hakg1fu6.mirror.aliyuncs.com"],
    7.   "log-driver":"json-file",
    8.   "log-opts": {"max-size":"100M", "max-file":"3"}
    9. }
    10. EOF
    11. systemctl daemon-reload
    12. systemctl enable --now docker