anchor.diff: -FROM ubuntu:12.04
  +FROM ubuntu:14.04
   MAINTAINER Luis Triana <luis.triana@jarsa.com.mx>
   
   RUN echo 'APT::Get::Assume-Yes "true";' >> /etc/apt/apt.conf \
  
positive.code:     python-openssl \
      python-paramiko \
      python-pdftools \
      python-psutil \
      python-psycopg2 \
      python-pybabel \
  
negative.code: 
  # Install wkhtmltopdf
  RUN cd /tmp && \
      wget http://wkhtmltopdf.googlecode.com/files/wkhtmltopdf-0.9.9-static-amd64.tar.bz2 && \
      tar xvjf wkhtmltopdf-0.9.9-static-amd64.tar.bz2 && \ 
      mv wkhtmltopdf-amd64 /usr/bin/wkhtmltopdf && \
      chmod +x /usr/bin/wkhtmltopdf
  
  # Install pip
  