anchor.diff:          php-cli                             \
           php-gd                              \
           postfix                             \
  -        python-pip                          \
  +        python3-pip                          \
           rsyslog                             \
           runit                               \
           smbclient                           \
  
positive.code: ENV NG_CGI_DIR             ${NAGIOS_HOME}/sbin
  ENV NG_WWW_DIR             ${NAGIOS_HOME}/share/nagiosgraph
  ENV NG_CGI_URL             /cgi-bin
  ENV NAGIOS_BRANCH          nagios-4.4.5
  ENV NAGIOS_PLUGINS_BRANCH  release-2.2.1
  ENV NRPE_BRANCH            nrpe-3.2.1
  
  
  RUN echo postfix postfix/main_mailer_type string "'Internet Site'" | debconf-set-selections  && \
  
negative.code:         libdbd-mysql-perl                   \
          libdbi-dev                          \
          libdbi-perl                         \
          libfreeradius-dev                   \
          libgdchart-gd2-xpm-dev              \
          libgd-gd2-perl                      \
          libjson-perl                        \
          libldap2-dev                        \
          libmysqlclient-dev                  \
          libnagios-object-perl               \
          libnet-snmp-perl                    \
          libnet-snmp-perl                    \
          libnet-tftp-perl                    \
  