安装一些必要的软件包：
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| apt update
apt upgrade -y
apt install curl vim wget gnupg dpkg apt-transport-https lsb-release ca-certificates
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加入 Docker 的 GPG 公钥和 apt 源：
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| curl -sSL https://download.docker.com/linux/debian/gpg | gpg --dearmor > /usr/share/keyrings/docker-ce.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-ce.gpg] https://download.docker.com/linux/debian $(lsb_release -sc) stable" > /etc/apt/sources.list.d/docker.list
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国内机器推荐用清华源：
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| curl -sS https://download.docker.com/linux/debian/gpg | gpg --dearmor > /usr/share/keyrings/docker-ce.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-ce.gpg] https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/debian $(lsb_release -sc) stable" > /etc/apt/sources.list.d/docker.list
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更新系统后即可安装 Docker CE：
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| apt update
apt install docker-ce docker-ce-cli containerd.io docker-compose-plugin
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