anchor.diff:  
   
   ENV OPENVPN_VER=2.4.1
  -RUN curl -L -o openvpn-${OPENVPN_VER} https://github.com/OpenVPN/openvpn/archive/v${OPENVPN_VER}.tar.gz  &&\
  +RUN curl -L -o openvpn-${OPENVPN_VER}.tar.gz https://github.com/OpenVPN/openvpn/archive/v${OPENVPN_VER}.tar.gz  &&\
       tar -xf openvpn-${OPENVPN_VER}.tar.gz &&\
       cd openvpn-${OPENVPN_VER} &&\
       ./configure --prefix=/opt/apps/green &&\
  
positive.code: # collect shared libraries needed for green apps execution
  COPY extract_so_deps_green.sh /
  RUN bash  /extract_so_deps_green.sh
  
  
negative.code: 
  # green_app/gdrive
  # https://github.com/prasmussen/gdrive
  #RUN curl -L https://docs.google.com/uc?id=0B3X9GlR6EmbnQ0FtZmJJUXEyRTA\&export=download > /opt/apps/green/bin/gdrive &&\
  #   ls /opt/apps/green/bin/gdrive ; chmod +x /opt/apps/green/bin/gdrive
  
  # green_app/dbxcli - dropbox client
  # ne treba imamo rclone
  