Docker Install -- Centos 7

1. 卸载旧版本的Docker

sudo yum remove docker \
              docker-client \
              docker-client-latest \
              docker-common \
              docker-latest \
              docker-latest-logrotate \
              docker-logrotate \
              docker-engine

2. 安装 Docker Engine-Community

1. 设置仓库

sudo yum install -y yum-utils \
     device-mapper-persistent-data \
     lvm2

sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo

2. 安装 Docker Engine-Community

sudo yum install docker-ce docker-ce-cli containerd.io

3. 启动Docker

sudo systemctl start docker

3. 安装docker-compose

sudo yum install docker-compose