各系统安装docker方法

# 安装docker

## Centos

~~~shell

  yum-config-manager --add-repo https://mirrors.aliyun.com/repo/Centos-7.repo

  yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

  yum makecache fast

  yum -y install yum-utils

  yum install -y device-mapper-persistent-data lvm2 nfs-utils  conntrack-tools

  yum install -y docker-ce-18.09.8

  yum install -y  docker-ce-cli-18.09.8

  systemctl daemon-reload

  systemctl enable docker

  systemctl restart docker

~~~

## Ubuntu

~~~shell

sudo apt-get update

sudo apt-get install apt-transport-https ca-certificates curl software-properties-common

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

sudo apt-key fingerprint 0EBFCD88

sudo add-apt-repository \

   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \

   $(lsb_release -cs) \

   stable"

sudo apt-get update   

sudo apt-get install docker-ce

~~~

## Mac

> https://docs.docker.com/docker-for-mac/install/#install-and-run-docker-for-mac

## Windows

> https://docs.docker.com/docker-for-windows/install/#start-docker-for-windows