How to debug a Flask app

Question

How are you meant to debug errors in Flask? Print to the console? Flash messages to the page? Or is there a more powerful option available to figure out what\'s happening

Answer 1

From the 1.1.x documentation, you can enable debug mode by exporting an environment variable to your shell prompt:

export FLASK_APP=/daemon/api/views.py  # path to app
export FLASK_DEBUG=1
python -m flask run --host=0.0.0.0