With DEBUG=False, what originals use to work does not work for me anymore.

However a fix by enabling whitenoise on MIDDLEWARE in settings.py solved it. Best to be just below SecurityMiddleware.

MIDDLEWARE = [    'django.middleware.security.SecurityMiddleware',    'whitenoise.middleware.WhiteNoiseMiddleware', # add this line    #Other middleware...]

```

According to the docs, it actually needs to be enabled in the first place.

I got it. I needed to add

python manage.py collectstatic --noinput;

in my Procfile. Heroku doc said that collecticstatic is automatically triggered.https://devcenter.heroku.com/articles/django-assets

Thanks

For me following worked.

settings.py

DEBUG = TrueSTATIC_URL = '/static/'STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles') #this is not used# Add static folder to STATIC_DIRSSTATICFILES_DIRS = [    os.path.join(BASE_DIR, 'static'),]

urls.py

from django.conf.urls.static import staticfrom django.conf import settingsurlpatterns = [] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

Note

This helper function works only in debug mode and only if the given prefix is local (e.g. /static/) and not a URL (e.g. http://static.example.com/).

Also this helper function only serves the actual STATIC_ROOT folder; it doesn’t perform static files discovery like django.contrib.staticfiles.