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FROM ubuntu
MAINTAINER David Weinstein <>
# install our dependencies and nodejs
RUN echo "deb precise main universe" > /etc/apt/sources.list
RUN apt-get update
RUN apt-get -y install python-software-properties git build-essential
RUN add-apt-repository -y ppa:chris-lea/node.js
RUN apt-get update
RUN apt-get -y install nodejs
# use changes to package.json to force Docker not to use the cache
# when we change our application's nodejs dependencies:
ADD package.json /tmp/package.json
RUN cd /tmp && npm install
RUN mkdir -p /opt/app && cp -a /tmp/node_modules /opt/app/
# From here we load our application's code in, therefore the previous docker
# "layer" thats been cached will be used if possible
WORKDIR /opt/app
ADD . /opt/app
CMD ["node", "server.js"]
"name": "testProject",
"description": "this project is awesome",
"version": "0.0.1",
"private": true,
"scripts": {
"start": "node server.js"
"dependencies": {
"async": "*"
// this is our simulated application code
var async=require('async');
// uncomment the following line after building the project
// docker will use the cache for the modules...
// console.log('hello');
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