debug_flask.md

How to debug flask API with Gunicorn

Step 1

Stop currently running gunicorn service

sudo systemctl stop bdmparse

Step 2

Activate virtual environment for python packages

cd back-end
source venv/bin/activate

You should see (venv) as the prompt

Step 3

Start gunicorn manually with error and access logs being printed to terminal

gunicorn --access-logfile - --error-logfile - --workers=8 -b 127.0.0.1:5000 api:app

Step 4

When done debugging, restart gunicorn service

sudo systemctl start bdmparse

and ensure service is running

sudo systemctl status bdmparse

Step 5

Deactivate virtual environment

deactivate