Installing and understanding celery
https://www.youtube.com/watch?v=bqIwPX2HxA4
pip install celery
Another way to install a specific version of celery with redis support, and a flask extension for celery: pip install celery[redis]==4.0.0rc5 flask-celery-helper
start celery:
celery -A app.celery worker --loglevel=info
In the command above the first part of the -A app_name parameter is the task name from the function decorator that defines the task. The decorator will be: @celery.task(name=’app.send’)
The second part is some kind of celery command??