anchor.diff:  ENV TERM xterm
   
   # Install NodeJs 4
  -RUN mkdir /nodejs && curl \
  -    https://nodejs.org/dist/latest/node-v4.0.0-linux-x64.tar.gz \
  -    | tar xvzf - -C /nodejs --strip-components=1
  -ENV PATH $PATH:/nodejs/bin
  +RUN curl --silent --location https://deb.nodesource.com/setup_4.x | bash -
  +RUN apt-get install --yes nodejs
   
   # Install development packages
   RUN npm install --global npm@latest
  
positive.code: 
  ## Using google as example: https://hub.docker.com/r/google/nodejs/~/dockerfile/
  #FROM ubuntu:15.04
  FROM google/debian:wheezy
  
  MAINTAINER "Paolo D'Onorio De Meo <p.donoriodemeo@gmail.com>"
  
  
negative.code: # Development user (bower and yeoman do not really work well as root...)
  ENV MAINDIR /devjs
  ENV HOMEDIR /home/dev
  RUN mkdir -p $MAINDIR
  ENV NEWUSER developer
  RUN mkdir -p $HOMEDIR
  RUN useradd $NEWUSER -d $HOMEDIR \
      && chown -R $NEWUSER $HOMEDIR && chown -R $NEWUSER $MAINDIR
  USER $NEWUSER
  WORKDIR $MAINDIR
  