Use the WSGI_APPLICATION setting when running Gunicorn

arkindex/documents/management/commands/gunicorn.py

@@ -4,7 +4,7 @@ import sys
 
 from django.conf import settings
 from django.core.management.base import BaseCommand, CommandError
-from django.core.wsgi import get_wsgi_application
+from django.core.servers.basehttp import get_internal_wsgi_application
 
 
 class Command(BaseCommand):
@@ -67,6 +67,9 @@ class Command(BaseCommand):
                 }
 
             def load(self):
-                return get_wsgi_application()
+                # Django's get_wsgi_application returns only its default WSGI app,
+                # but we want to use whatever app is set with the WSGI_APPLICATION setting,
+                # which is returned by get_internal_wsgi_application.
+                return get_internal_wsgi_application()
 
         ArkindexServer().run()