THanks for your answer,
yes I would discuss here any possibile way for running Node Red on a Mikrotik, if metaroute may give it, I would know more 
I’ve searched andcan’t find it for OS7, is that abandoned?
About docker on mipsbe I’vefound this topic, but doesn’t report the way to obtain it:
http://forum.mikrotik.com/t/container-support-to-mips-architeture/159413/1