$ python manage.py makemigrations
$ python manage.py migrate
$ python main.py
- https://docs.djangoproject.com/en/4.0/topics/settings/#calling-django-setup-is-required-for-standalone-django-usage
- https://abdus.dev/posts/django-orm-standalone/
- https://stackoverflow.com/questions/33074543/django-1-8-makemigrations-not-detecting-newly-added-app
- https://dev.to/weplayinternet/upgrading-to-django-3-2-and-fixing-defaultautofield-warnings-518n