Centos7安装Docker脚本

#!/bin/bash
#
#********************************************************************
#Author:            Wuvikr
#QQ:                744123155
#Date:              2020-12-01
#FileName           docker_install_for_centos7.sh
#URL:               http://www.wuvikr.top
#Description        The test script
#Copyright (C):     2020 All rights reserved
#********************************************************************
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH

Version="19.03.13-3.el7"

# 下载docker安装源
wget -P /etc/yum.repos.d/ https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

# 安装docker
yum -y install docker-ce-$Version docker-ce-cli-$Version || echo -e '33[1;31m安装失败，请检查网络和yum源配置！33[0m'

# 使用国内镜像加速
# 阿里云（需要登录账号分配地址）
# 网易云 https://vgunv6qp.mirror.aliyuncs.com
# 腾讯云 https://mirror.ccs.tencentyun.com
# 中科大 https://docker.mirrors.ustc.edu.cn
# docker中国 https://registry.docker-cn.com
mkdir -p /etc/docker
tee /etc/docker/daemon.json <<-'EOF'
{
    "registry-mirrors": [
        "https://mirror.ccs.tencentyun.com",
        "https://docker.mirrors.ustc.edu.cn",
        "https://registry.docker-cn.com"
    ]
}
EOF

# 重新加载配置并启动docker
systemctl daemon-reload
systemctl enable --now docker

docker version && echo -e "33[1;32m${Version}安装成功！33[0m" || echo -e '33[1;31m安装失败！33[0m'