apt update
# 确保安装了ca-certificates、curl、gnupg和lsb-release
apt install -y ca-certificates curl gnupg lsb-release

#从https://download.docker.com/linux/debian/gpg下载Docker 官方 GPG 密钥
#并重命名为docker.gpg移动到/etc/apt/keyrings/下
curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg

# 添加仓库到源列表
# 指定系统架构、GPG公钥和系统版本代号，从https://download.docker.com/linux/debian/下安装对应版本的仓库信息
# 将Docker仓库的信息写入文件/etc/apt/sources.list.d/docker.list
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian \
  $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null

# 更新软件包索引
apt update

# 安装 Docker 引擎及常用插件
apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

docker help

systemctl enable docker