Based on cpuguy83/nagios container (https://github.com/cpuguy83/docker-nagios) contains links for ldap auth and ssl apache modules, ssl-dev packages and the NRPE plugin.
Dockerfile can be found here: https://github.com/newmediadenver/nmddocker-nagios
@newmedia The requested URL /nagios/cgi-bin/statusmap.cgi was not found on this server. The current status MAP is not displaying. Please can you resolve it in your next build?