docker配置阿里雲的倉庫源以及安裝docker-compose

[root@localhost mnt]# cat /etc/docker/daemon.json

{
"registry-mirrors": ["https://3laho3y3.mirror.aliyuncs.com"]
}

[root@localhost mnt]# systemctl  restart docker

最簡便的安裝docker-compose的方法（包含優化docker軟件包源的方法）

yum -y install epel-release
yum -y install docker-io
vim /etc/docker/daemon.json 
systemctl restart docker 
yum -y install python-pip
pip install docker-compose