Apart from the fact that Python can be infinitely faster than rails, I'd just say that any more javascript is bad news, bee it coffee based or node based or whatever. Someone forgot to go back in time and shoot John "javascript" Connor.

On topic, your main problem is that you're playing the one man army with too many tools, that is obviously unrelated to CS or any language.

It's likely you wouldn't mind the additional complexity if you were only working on front-end.