anchor.diff:  # Make pip3 the default pip
   #
   RUN echo 'alias python=python3' >> ~/.bashrc && echo 'alias pip=pip3' >> ~/.bashrc
  -RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.5 1
  -RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 2
   
   RUN sed -i -e 's/# server_tokens off;/server_tokens off;/g' /etc/nginx/nginx.conf
   
  
positive.code:                        nginx-extras                                \
                         perl                                        \
                         pgbouncer                                   \
                         postgresql-client-9.4                       \
                         postgresql-server-dev-9.4                   \
                         python-imaging                              \
                         python-chardet                              \
                         python-colorama                             \
                         python-distlib                              \
                         python-html5lib                             \
                         python-pip                                  \
                         python-requests                             \
                         python-setuptools                           \
                         python-six                                  \
                         python-urllib3                              \
                         python-dev                                  \
                         rsyslog                                     \
                         socat                                       \
                         software-properties-common                  \
                         sudo                                        \
                         supervisor                                  \
                         gunicorn                                    \
                         telnet                                      \
                         unattended-upgrades                         \
                         unzip                                       \
                         vim                                         \
  
negative.code:                        language-pack-en                            \
                         less                                        \
                         libcurl4-openssl-dev                        \
                         libevent-dev                                \
                         libffi-dev                                  \
  					   libgeos-c1v5                                \
                         libmagickwand-dev                           \
  