anchor.diff:    apt-get clean
   
   RUN echo '[ ! -z "$TERM" -a -r /etc/motd ] && cat /etc/motd' \
  -            >> /etc/bash.bashrc; echo -e 'Welcome to Rally Docker container!\n\
  -    Rally certification tasks, samples and docs are located at /opt/rally/\n\
  -    Rally at readthedocs - http://rally.readthedocs.org\n\
  -    How to contribute - http://rally.readthedocs.org/en/latest/contribute.html\n\
  -    If you have any questions, you can reach the Rally team by:\n\
  -      * e-mail - openstack-dev@lists.openstack.org with tag [Rally] in subject\n\
  -      * irc - "#openstack-rally" channel at freenode.net' > /etc/motd
  +            >> /etc/bash.bashrc; echo '\
  +╔═════════════════════════════════════════════════════════════════════════════╗\n\
  +║ Welcome to Rally Docker container!                                          ║\n\
  +║  Rally certification tasks, samples and docs are located at /opt/rally/     ║\n\
  +║  Rally at readthedocs - http://rally.readthedocs.org                        ║\n\
  +║  How to contribute - http://rally.readthedocs.org/en/latest/contribute.html ║\n\
  +║  If you have any questions, you can reach the Rally team by:                ║\n\
  +║    * e-mail - openstack-dev@lists.openstack.org with tag [Rally] in subject ║\n\
  +║    * irc - "#openstack-rally" channel at freenode.net                       ║\n\
  +╚═════════════════════════════════════════════════════════════════════════════╝\n' > /etc/motd
   
   VOLUME ["/home/rally"]
   
  
positive.code:   # TODO(andreykurilin): build docs to rst before move, since we have several
    # extensions.
    mv certification/ samples/ doc/ /opt/rally/ && \
    chmod -R u=rwX,go=rX /opt/rally /etc/rally && \
    rm -rf /tmp/* && \
    apt-get -y remove \
      build-essential \
  
negative.code:   rm -f get-pip.py
  
  # create rally user
  RUN apt-get install sudo && \
    useradd -u 65500 -m rally && \
    usermod -aG sudo rally && \
    echo "rally ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/00-rally-user && \
    ln -s /opt/rally/doc /home/rally/rally-docs
  
  # install rally. the COPY command below frequently invalidates
  