anchor.diff:     python-setuptools python-pip python-software-properties \
      && apt-get clean
   
  -# add the ssh daemon
  +# add running the ssh daemon
   ADD code/etc /etc
   
  -# to do  change pass for real deployment
  +# change pass to "changeme"
  +# todo: change again - for dev phase only.
   RUN echo 'root:changeme' > /root/passwdfile \
     && cat /root/passwdfile | chpasswd
   
  
positive.code:     
  
  #VOLUME ["/var/log"]
  #VOLUME ["/etc/bashload"]
  
  # SSH Ready - if service is on.
  EXPOSE 22
  
  #######################################
  # inherits
  #CMD ["-c", "/etc/supervisor/start.sh"]
  #ENTRYPOINT ["bash", "--verbose", "-i","-s"]
  
negative.code: # build base python . opensssh.
  # apped with apt-get clean for reducing image size in build
  
  # done in docker-container-build image
  # install sshd without startup or password settings.
  #RUN DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server pwgen \
  #    && apt-get clean
  