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+# 1. 安装必要工具
+apt-get update
+apt-get install -y apt-transport-https ca-certificates curl gnupg-agent software-properties-common
+
+# 2. 添加 Docker 官方 GPG 密钥
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
+
+# 3. 设置适配 aarch64 的稳定版仓库
+add-apt-repository "deb [arch=arm64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+
+# 4. 再次更新并安装
+apt-get update
+apt-get install -y docker-ce docker-ce-cli containerd.io
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