add docker into vm

Dockerfile

@@ -1,7 +1,7 @@
 FROM ubuntu
 
 ARG DEBIAN_FRONTEND=noninteractive
-ARG INSTALL_PACKAGES="man git vim curl wget iputils-ping zsh make bzip2"
+ARG INSTALL_PACKAGES="lsb man git vim curl wget zsh make bzip2 libnet-ifconfig-wrapper-perl mtr linux-image-extra-4.8.0-35-generic linux-image-extra-virtual apt-transport-https ca-certificates software-properties-common"
 ARG TERM=xterm-256color
 VOLUME /shared
 WORKDIR /root
@@ -14,6 +14,13 @@ RUN PACKAGES="man git vim curl wget iputils-ping zsh" && \
 	apt-get install -y --no-install-recommends apt-utils && \
 	apt-get install -y $INSTALL_PACKAGES && \
 	apt-get upgrade -y && \
+	curl -fsSL https://yum.dockerproject.org/gpg | apt-key add -  && \
+	add-apt-repository \
+       "deb https://apt.dockerproject.org/repo/ \
+       ubuntu-$(lsb_release -cs) \
+       main" && \
+    apt-get update && \
+    apt-get -y install docker-engine && \
 	(sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)" || exit 0) && \
 	dircolors -b ~/.dircolors >> ~/.zshrc
 

README.md

@@ -3,3 +3,9 @@
 This is an ubuntu virtual machine enviroment build on docker.
 
 Execute `run.sh` to start an VM session.
+
+## What's inside
+
+- basic ubuntu environment with apt package manager and kernel 4.9.4
+- oh my zsh
+- docker engine

run.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 IMAGE_NAME="docker-vm"
 CONTAINER_NAME="docker-vm"
@@ -35,4 +35,4 @@ else
 	echo "not support yet"
 fi
 
-clear_images
+clear_images