1、到官网下载docker-compose的离线包
下载地址:https://github.com/docker/compose/releases
2、下载好离线包,把离线包放在指定目录下就不需要配置环境变量
mv docker-compose-linux-x86_64 /usr/local/bin/
//修改文件名
mv docker-compose-linux-x86_64 docker-compose //授权
sudo chmod +x /usr/local/bin/docker-compose //查看安装是否成功
docker-compose -v