安装docker
1.确保 yum 包更新到最新。
yum update
2.安装需要的软件包, yum-util 提供yum-config-manager功能,另外两个是devicemapper驱动依赖的
yum install -y yum-utils device-mapper-persistent-data lvm2
3.设置yum源
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
4.默认安装docker最新版
yum install docker-ce
5.启动并加入开机启动
systemctl start docker
systemctl enable docker
6.验证安装是否成功
docker version
添加加速器:https://blog.youkuaiyun.com/tripleDemo/article/details/100561776
安装docker-compose
https://github.com/docker/compose/releases
curl -L https://github.com/docker/compose/releases/download/1.25.0-rc2/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
验证安装是否成功
docker-compose version