简易安装ubuntu
which curl

sudo apt-get update

sudo apt-get install curl

curl -fsSL https://get.docker.com/ | sh
给docker  sudo权限
sudo usermod -aG docker $USER
退出 shell 重新登陆 查看doker是否安装成功
docker version

手动安装略

docker pull ubuntu:16.04  #不*可能比较慢

#查询pull下来的ubuntu 镜像

docker images

　　REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE

　　ubuntu              16.04               c73a085dc378         weeks ago         127.1 MB
#运行ubuntu镜像并更新()
docker run -it ubuntu:16.04 bash
apt-get update
apt-get install -y nano
#默认是ubuntu的官方镜像源更新可能比价慢，所以先安装nano 然后用编辑器换成阿里云镜像
apt-get upgrade
apt-get install -y wget
apt-get install -y net-tools
#创建nginx执行用户
groupadd www
useradd -r -g www www
#提交为新的ubuntu作为镜像源
docker commit ubuntu:16.04 ubuntu:latest

#目录准备
sudo mkdir /data
sudo mkdir /data/nginx
sudo mkdir /data/php
sudo mkdir /data/log
sudo mkdir /data/www

#进入nginx目录准备nginx 配置文件
cd /data/nginx
sudo mkdir conf
#此处放入nginx配置文件
cd conf
#上传nginx配置文件到此目录
sudo vim Dockerfile

#

#Dockerfile for nginx

#

#bash docker image ubuntu:latest

FROM ubuntu:latest
#auth info
MAINTAINER peixiguang <554047329@qq.com>
#install nginx
apt-get install -y nginx
#mount file 配置和日志挂载到宿主机
VOLUME /data/nginx/conf /etc/nginx/
VOLUME /data/www/ /data/www/
VOLUME /data/log/nginx /var/log/nginx
#append auto start nginx to bash.bashrc
RUN echo "/etc/init.d/nginx restart" >> /etc/bash.bashrc
#Expose ports
EXPOSE 80

cd /data/nginx/
docker build -t docker-nginx .

#! /bin/bash

case "$1" in

        nginx)

                docker run -it -p :  -d -v /data/log/nginx:/var/log/nginx -v /data/nginx/conf:/etc/nginx /data/www:/data/www --name docker-nginx docker-nginx /bin/bash

                if [ "$?" !=  ];then

                        echo "start fail"

                        exit

                fi

        ;;

        mysql)

        ;;

        php-fpm)

        ;;

        *)

                echo "Usage: $0 {nginx|php-fpm|mysql}"

                exit

        ;;

esac