anchor.diff:          php-cli                             \
           php-gd                              \
           postfix                             \
  -        python-pip                          \
  +        python3-pip                          \
           rsyslog                             \
           runit                               \
           smbclient                           \
  
positive.code:     ln -sf ${NAGIOS_HOME}/libexec/utils.pm /usr/lib/nagios/plugins                            && \
      cd /tmp && rm -Rf nagios-plugins
  
  RUN wget -O ${NAGIOS_HOME}/libexec/check_ncpa.py https://raw.githubusercontent.com/NagiosEnterprises/ncpa/v2.0.5/client/check_ncpa.py  && \
      chmod +x ${NAGIOS_HOME}/libexec/check_ncpa.py
  
  RUN cd /tmp                                                                  && \
  
negative.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-4.4.6
  ENV NAGIOS_PLUGINS_BRANCH  release-2.3.3
  ENV NRPE_BRANCH            nrpe-4.0.3
  ENV NCPA_VERSION           2.3.1
  
  
  RUN echo postfix postfix/main_mailer_type string "'Internet Site'" | debconf-set-selections  && \
  