If your application requires something specific on the user's system (eg: IPMI compatible motherboard, ElasticSearch, mySQL, etc) then you can specify this within the template (for either a docker container or a plugin) by adding in <Requires>ElasticSearch</Requires>   (This can also be filled out on the edit template screen - Additional Requirements)   This adds a note to the popup showing the text you specify.  It is not a check against the hardware or softwar