anchor.diff:  	( id -u $NAGIOS_CMDUSER || useradd --system -d $NAGIOS_HOME -g $NAGIOS_CMDGROUP $NAGIOS_CMDUSER )
   
   
  -ADD https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.1.1.tar.gz /tmp/
   RUN	cd /tmp							&&	\
  -	tar -zxvf nagios-4.1.1.tar.gz				&&	\
  -	cd nagios-4.1.1						&&	\
  +	git clone https://github.com/NagiosEnterprises/nagioscore.git		&&	\
  +	cd nagioscore						&&	\
  +	git checkout tags/nagios-4.1.1				&&	\
   	./configure							\
   		--prefix=${NAGIOS_HOME}					\
   		--exec-prefix=${NAGIOS_HOME}				\
  
positive.code: 		iputils-ping						\
  		netcat							\
  		build-essential						\
  		snmp							\
  		snmpd							\
  		snmp-mibs-downloader					\
  
negative.code: 		libcgi-pm-perl						\
  		librrds-perl						\
  		libgd-gd2-perl						\
  		libnagios-object-perl					\
  		fping							\
  		libfreeradius-client-dev				\
  		qstat
  
  RUN	( egrep -i "^${NAGIOS_GROUP}"    /etc/group || groupadd $NAGIOS_GROUP    )				&&	\
  	( egrep -i "^${NAGIOS_CMDGROUP}" /etc/group || groupadd $NAGIOS_CMDGROUP )
  