serve media previews

santehray/urls.py

@@ -14,10 +14,13 @@ Including another URLconf
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
+import re
+from urllib.parse import urlsplit
+
 from django.conf import settings
-from django.conf.urls.static import static
 from django.contrib import admin
-from django.urls import path, include
+from django.urls import include, path, re_path
+from django.views.static import serve
 
 from santehray import views
 
@@ -30,5 +33,13 @@ urlpatterns = [
     path('admin/', admin.site.urls),
 ]
 
-if settings.DEBUG:
-    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
+# Serve uploaded media through Django so item previews work in preview/production
+# deployments too. A dedicated web server or object storage can replace this later.
+if settings.MEDIA_URL and not urlsplit(settings.MEDIA_URL).netloc:
+    urlpatterns += [
+        re_path(
+            rf"^{re.escape(settings.MEDIA_URL.lstrip('/'))}(?P<path>.*)$",
+            serve,
+            {"document_root": settings.MEDIA_ROOT},
+        ),
+    ]