anchor.diff:  WORKDIR /var/log
   RUN rm -rf *
   
  -#prepare ssh dir use -v my-ssh:/root/.ssh
  -WORKDIR /root
  -RUN mkdir .ssh
  -RUN chown 700 .ssh
  -
   #set sshd config for key based authentication
   RUN mkdir -p /var/run/sshd && sed -i "s/UsePrivilegeSeparation.*/UsePrivilegeSeparation no/g" /etc/ssh/sshd_config && sed -i "s/UsePAM.*/UsePAM no/g" /etc/ssh/sshd_config && sed -i "s/PermitRootLogin.*/PermitRootLogin yes/g" /etc/ssh/sshd_config && sed -i "s/#AuthorizedKeysFile/AuthorizedKeysFile/g" /etc/ssh/sshd_config
   
  
positive.code: RUN make install
  
  #clean the dev packages 
  RUN apt-get -y remove libffi-dev libsnappy-dev zlib1g-dev libbz2-dev libgflags-dev libclick-0.4-dev ocl-icd-opencl-dev libboost-dev libcurl4-gnutls-dev libgeoip-dev cmake make gcc g++ flex bison libssl-dev python-dev swig zlib1g-dev
  RUN apt-get -y autoremove
  
  #cleanup apt & build action
  
negative.code: #prequisits
  RUN apt-get update && DEBIAN_FRONTEND=noninteractive
  RUN apt-get -y upgrade && DEBIAN_FRONTEND=noninteractive
  RUN apt-get -y  install libsnappy-dev zlib1g-dev libbz2-dev libgflags-dev libclick-0.4-dev Ocl-icd-opencl-dev libboost-dev doxygen git libcurl4-gnutls-dev libgoogle-perftools-dev libgeoip-dev geoip-database rsync openssh-server pwgen cmake make gcc g++ flex bison libpcap-dev libssl-dev python-dev swig zlib1g-dev
  
  #prequisits from source
  
  