# must be the last path
path("", TemplateView.as_view(template_name="index.html")),

STATICFILES_DIRS = [
    str(APPS_DIR.path('static')),
]
if DEBUG:
    STATICFILES_DIRS += [
        str(ROOT_DIR.path('frontend/build/')),
        str(ROOT_DIR.path('frontend/build/static/')), ]
else:
    # something to serve webpack locally
    pass

TEMPLATES = [
  {
    ...
    'DIRS': [
        str(APPS_DIR.path('templates')),
    ],
    ...
  }
]
if DEBUG:
    TEMPLATES[0]['DIRS'] += [str(ROOT_DIR.path('frontend/build')), ]
else:
    # something to serve webpack locally
    pass

# index.html
{% load static %}
{% static 'favicon.ico' %}
{% static 'manifest.json' %}