# 1. 删除之前的无效配置
sudo rm -f /etc/apt/keyrings/docker.gpg
sudo rm -f /etc/apt/sources.list.d/docker.list

# 2. 安装必要工具
sudo apt update
sudo apt install -y ca-certificates curl gnupg lsb-release

# 3. 添加阿里云 GPG 密钥（兼容 Docker 官方签名）
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg

# 4. 添加阿里云 Docker 仓库（noble = Ubuntu 24.04）
echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

# 5. 更新并安装
sudo apt update
sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

getent group docker

sudo usermod -aG docker $USER 

newgrp docker