anchor.diff:  
   EXPOSE 80
   
  -VOLUME "/opt/nagios/var" "/opt/nagios/etc" "/opt/nagios/libexec" "/var/log/apache2" "/usr/share/snmp/mibs" "/opt/Custom-Nagios-Plugins" "/opt/nagiosgraph/var" "/opt/nagiosgraph/etc"
  +VOLUME "${NAGIOS_HOME}/var" "${NAGIOS_HOME}/etc" "${NAGIOS_HOME}/libexec" "/var/log/apache2" "/usr/share/snmp/mibs" "/opt/Custom-Nagios-Plugins" "/opt/nagiosgraph/var" "/opt/nagiosgraph/etc"
   
   CMD [ "/usr/local/bin/start_nagios" ]
  
positive.code:     git clone https://github.com/nagiosenterprises/check_mssql_collection.git   nagios-mssql  && \
      chmod +x /opt/WL-Nagios-Plugins/check*                                          && \
      chmod +x /opt/JE-Nagios-Plugins/check_mem/check_mem.pl                          && \
      cp /opt/JE-Nagios-Plugins/check_mem/check_mem.pl /opt/nagios/libexec/           && \
      cp /opt/nagios-mssql/check_mssql_database.py /opt/nagios/libexec/                         && \
      cp /opt/nagios-mssql/check_mssql_server.py /opt/nagios/libexec/
  
  
  RUN sed -i.bak 's/.*\=www\-data//g' /etc/apache2/envvars
  RUN export DOC_ROOT="DocumentRoot $(echo $NAGIOS_HOME/share)"                         && \
      sed -i "s,DocumentRoot.*,$DOC_ROOT," /etc/apache2/sites-enabled/000-default.conf  && \
      sed -i "s,</VirtualHost>,<IfDefine ENABLE_USR_LIB_CGI_BIN>\nScriptAlias /cgi-bin/ /opt/nagios/sbin/\n</IfDefine>\n</VirtualHost>," /etc/apache2/sites-enabled/000-default.conf  && \
      ln -s /etc/apache2/mods-available/cgi.load /etc/apache2/mods-enabled/cgi.load
  
  RUN mkdir -p -m 0755 /usr/share/snmp/mibs                     && \
  
negative.code:     ln -s ${NAGIOS_HOME}/bin/nagios /usr/local/bin/nagios     && \
      download-mibs && echo "mibs +ALL" > /etc/snmp/snmp.conf
  
  RUN sed -i 's,/bin/mail,/usr/bin/mail,' ${NAGIOS_HOME}/etc/objects/commands.cfg  && \
      sed -i 's,/usr/usr,/usr,'           ${NAGIOS_HOME}/etc/objects/commands.cfg
  
  RUN cp /etc/services /var/spool/postfix/etc/  && \
      echo "smtp_address_preference = ipv4" >> /etc/postfix/main.cf
  