Obviously ahead of the game as this chapter point out running flask in debug mode with the whole...

export FLASK_DEBUG=1

The other cool thing, returning http codes. As I have an idea in mind for a project that is likely going to use flask for an api server, this is a gem of a nugget of knowledge.

Due to work hogging the evening, short stint, just getting errors set up with 404 and 500 pages created. TOmorrow the rest of the chapter, starting with sending errors by email... I hope there will be some slack connections going on