The problem I've been facing lately is decisions. There is too little time to make good decisions. And working a startup, there's too few team mates that can help you make these decisions.
It is impossible to understand the tradeoffs completely. It is also hard to understand them objectively. Hunches and wants get lots of help from confirmation bias. I'm not even sure that choosing node, choosing 12factors, choosing microservices-ish things are objectively good. I sure as hell have wondered if node is the right decision: https://speakerdeck.com/dymonaz/node-dot-js-the-smallprint - as with everything else, I guess.
I want a set of decisions, a starter kit, if you will, that will not hinder your progress in the future. This probably boils down to being able to reverse your decisions. Some might be easy - CentOS or Debian. VM or container. But Mongo vs MySQL? Is there an easy way out of it? The typical advice is to go with what you already know. But if you do - you will not get out of your comfort zone and you