Docker installation shell script

docker_install.sh

#!/bin/bash
# author:qiao
# 安装并启动docker
# 使用阿里云镜像 安装社区版

# 卸载旧的版本
sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine
# 安装必要的一些系统工具
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
# 添加软件源信息
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
# 更新并安装 Docker-CE(社区版)
sudo yum makecache fast
sudo yum -y install docker-ce

# 启动docker
sudo systemctl start docker

Verify successful, the client and the service is successful

docker version

Run
sh docker_install.sh

Note:
You can change your image http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo address