It's good to see more diagrams/flowcharts on the matter, but beyond that - for those that understand the power of abstraction between layers, but you think ther

It's good to see more diagrams/flowcharts on the matter, but beyond that - for those that understand the power of abstraction between layers, but you think there should be a simple straightforward to spit out the correct http status code while you worry about the semantics alone: https://github.com/for-GET/http-decision-diagram https://github.com/for-GET/http-decision-diagram * an old PoC in NodeJS exists that reads the states/transitions from a JSON file and calls the correct callbacks in the correct order. Implement the callbacks (semantics) and you're done. Disclaimer: I'm the author.