Centos 7.4 自动初始化docker环境，配置docker镜像仓库

#/bin/bash
#Auto configuration docker env
#Author yarn
#2018-9-10 11:53:45
######################
REGISTRY=www.registry.example.cn
HOST_NAME=application
cat /etc/redhat-release
read -p "If your operating system version is Centos Linux 7.4 (Croe),Please press yes,If not press no:" anw
case $anw in
[Yy][Ee][Ss]|[Yy])
　　systemctl status firewalld
　　systemctl stop firewalld
　　systemctl disable firewalld
　　setenforce 0
　　hostnamectl set-hostname $HOST_NAME
　　sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/sysconfig/selinux
　　yum -y install vim zip unzip rsync yum-utils device-mapper-persistent-data lvm2
　　yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
　　yum makecache fast
　　yum -y install docker-ce
　　systemctl start docker
　　touch /etc/docker/daemon.json
　　echo '{"registry-mirrors": ["https://registry.docker-cn.com"]}' >> /etc/docker/daemon.json
　　echo '{"insecure-registries": ["http://$REGISTRY:5000"]} ' >> /etc/docker/daemon.json
　　sed -i s#ExecStart=/usr/bin/dockerd#"ExecStart=/usr/bin/dockerd --insecure-registry=$REGISTRY:5000"#g /usr/lib/systemd/system/docker.service
　　systemctl daemon-reload
　　systemctl restart docker
　　docker ps 

;;

[Nn][Oo]|[Nn])
　　exit 1
;;
esac