ubuntu安装Docker和Docker Compose

以下是在Ubuntu上安装Docker和Docker Compose的步骤：

1.卸载旧版本Docker（如果有的话）

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

2.更新apt包索引并安装依赖包

sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common

3.添加Docker官方的GPG密钥

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

4.添加Docker官方的APT仓库

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"

5.更新apt包索引并安装Docker Engine

sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io

6.验证Docker是否正确安装

sudo docker run hello-world

7.安装Docker Compose

sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

8.验证Docker Compose是否正确安装

docker-compose --version