anchor.diff:  
   # Pull base image.
   FROM dockerfile/ubuntu
  +
  +# Set the env variables to non-interactive
  +ENV DEBIAN_FRONTEND noninteractive
  +ENV DEBIAN_PRIORITY critical
  +ENV DEBCONF_NOWARNINGS yes
  +ENV TERM linux
  +RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
  +
   RUN apt-get install -y python python-dev python-pip python-virtualenv
   
   # Define mountable directories.
  
positive.code: 
  # Install TypeScript
  RUN npm -g install typescript
  
  # Install Pip
  RUN apt-get install python-pip
  
  #Install ruby
  RUN apt-get install -y python-software-properties && \
  
negative.code: RUN chmod a+x /usr/bin/julia
  
  # Install erlang
  RUN echo "deb http://packages.erlang-solutions.com/ubuntu trusty contrib" >> /etc/apt/sources.list
  RUN curl http://packages.erlang-solutions.com/ubuntu/erlang_solutions.asc | apt-key add -
  RUN apt-get update
  RUN apt-get -y install erlang-nox erlang-dev
  
  # Install PHP
  RUN apt-get -y install php5-cli
  