If you have read my report about installing a media server with plex/servarr/qTorrent and more you have an imagination about my setup. Central part of it is "Organizr" helping me to group all the miscellaneous webguis and services. Those services are all run on a single server and are distributed with the help of nginx reverse proxy. 

One of my goals is integrating HA in Organizr as well but keep it fully independant to properly work trough cloud services and for external access trough Android Apps.