anchor.diff:  RUN echo deb http://archive.ubuntu.com/ubuntu precise main universe multiverse > /etc/apt/sources.list
   
   ################## BEGIN INSTALLATION ######################
  -# Install Nginx.
  +# Install Nginx and Git
   RUN \
     apt-get install -y python-software-properties && \
     add-apt-repository ppa:nginx/stable && \
  
positive.code: # Define default command.
  CMD ["nginx"]
  
  # Expose ports.
  EXPOSE 80 443
  
  #### CSV FINGERPRINT ####
  # Install CSV Fingerprint
  
negative.code:   apt-get install -y nginx && \
    echo "\ndaemon off;" >> /etc/nginx/nginx.conf && \
    chown -R www-data:www-data /var/lib/nginx
  
  
  #### SET UP PYTHON NLTK  ####
  #### http://nltk.org/    ####
  
  #install the pip python package manager
  RUN \
    apt-get install -y python-pip vim git-core screen unzip libyaml-dev
  
    #install the python package distribute, a prerequisite of nltk
  RUN \
    pip install distribute && \
    pip install nltk
  
  #download all the data packages for nltk
  RUN python -m nltk.downloader all
  
  #### Python Port of Stanford NLP libraries         ####
  #### https://bitbucket.org/torotoki/corenlp-python ####
  
  # install prerequisites
  RUN pip install pexpect unidecode jsonrpclib
  
  # clone the repository and download datafiles
  RUN git clone https://bitbucket.org/torotoki/corenlp-python.git
  RUN wget http://nlp.stanford.edu/software/stanford-corenlp-full-2013-06-20.zip
  RUN unzip stanford-corenlp-full-2013-06-20.zip
  
  RUN DEBIAN_FRONTEND=noninteractive apt-get install -y -q r-base r-base-dev gdebi-core libapparmor1 supervisor sudo libcurl4-openssl-dev
  RUN update-locale
  RUN (wget http://download2.rstudio.org/rstudio-server-0.98.978-amd64.deb && gdebi -n rstudio-server-0.98.978-amd64.deb)
  RUN rm /rstudio-server-0.98.978-amd64.deb
  RUN (adduser --disabled-password --gecos "" guest && echo "guest:guest"|chpasswd)
  RUN mkdir -p /var/log/supervisor
  ADD supervisord.conf /etc/supervisor/conf.d/supervisord.conf
  
  # install python scikit
  RUN apt-get install -y build-essential python-dev python-numpy python-setuptools python-scipy libatlas-dev libatlas-base-dev python-matplotlib
  RUN pip install -U scikit-learn
  
  # install ipython notebook
  # http://ipython.org/notebook.html
  # to run it ipython notebook
  RUN apt-get install ipython-notebook
  
  ##################### INSTALLATION END #####################
  
  