移除老的

yum remove docker \

                  docker-client \

                  docker-client-latest \

                  docker-common \

                  docker-latest \

                  docker-latest-logrotate \

                  docker-logrotate \

                  docker-selinux \

                  docker-engine-selinux \

                  docker-engine

安装依赖

sudo yum install -y yum-utils \

  device-mapper-persistent-data \

  lvm2

添加安装源

sudo yum-config-manager \

    --add-repo \

    https://download.docker.com/linux/centos/docker-ce.repo

设置安装:

sudo yum-config-manager --enable docker-ce-edge

安装:

sudo yum install docker-ce -y

启动:

sudo systemctl start docker

添加到系统自动启动:

sudo systemctl enable docker.service

docker-compose 安装命令

sudo curl -L "https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

修改权限:

sudo chmod +x /usr/local/bin/docker-compose

确定版本:

docker-compose --version