Dear friend! Yes it works 
thank you a lot! here my considerations:
Intalling Alpine is very quick, it looks very light
Installing nodejs as well as npm takes few seconds only
Installing NR needs quite a lot, about 5 minutes, that’s a sign it works slow, for sure not the proper platform for it. The beginning 174MB free RAM (after booting router) can go to low to 58 during the installation, as well about 60 while installing palette, processor can go about 35%, looks that only one core of the processor is running here.
NR 4 a
I need to test it to tell more, for now I’ve installed telegrambot and dashboard, you need to wait a while to see them installed, chances are also my USB stick is not good performing with thousands of small files.
Yes changing cmd is booting auto, now I’ll try to make a very short guide for who is interested.
Unfortunately node-red-log is not working, so the only way to see logs are log on winbox, or maybe typing manually the bash, which I don’t remember )
