Ubuntu 安装 Docker 1.卸载旧版本 sudo apt-get remove docker docker-engine docker.io containerd runc2.通过存储库安装2.1 更新apt软件包索引并安装软件包以允许apt通过HTTPS使用存储库 sudo apt-get update2.2 添加Docker的官方GPG密钥 curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -2.3 通过搜索指纹的后8个字符，验证您现在是否拥有带有指纹的密钥 sudo apt-key fingerprint 0EBFCD882.4 添加安装源 sudo add-apt-repository \ "deb [arch=amd64] https://download.docker.com/linux/ubuntu \ $(lsb_release -cs) \ stable"3.安装DOCKER引擎 sudo apt-get update sudo apt-get install docker-ce docker-ce-cli containerd.io4.添加普通用户权限 sudo usermod -aG docker <your-user>5. 安装Docker Compose sudo curl -L "https://github.com/docker/compose/releases/download/1.27.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose sudo chmod +x /usr/local/bin/docker-compose6. 验证安装 docker-compose --version