anchor.diff: -FROM stackbrew/ubuntu:13.10
  +FROM ubuntu
   
   # Set locale to UTF-8
   RUN locale-gen en_US.UTF-8
  
positive.code: RUN echo "root:pass" | chpasswd
  RUN mkdir /var/run/sshd
  
  RUN apt-get install -y python3 python3-setuptools sqlite3 python3-lxml python3-pillow
  RUN easy_install3 pip
  RUN pip install django feedparser
  
negative.code: RUN apt-get install csstidy
  RUN pip install slimit django-pipeline
  
  RUN apt-get install -y postgresql postgresql-client python3-psycopg2
  USER postgres
  RUN /etc/init.d/postgresql start &&\
      psql --command "CREATE USER mypguser WITH PASSWORD 'pass';" &&\
  