Ubuntu 安装 Docker

1.卸载旧版本

    sudo apt-get remove docker docker-engine docker.io containerd runc

2.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 update

2.2 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 0EBFCD88

2.4 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.io

4.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-compose

6. 验证安装

    docker-compose --version