diff --git a/VorgabenUI/settings-docker.py b/VorgabenUI/settings-docker.py
index 43bb54b..15bd75a 100644
--- a/VorgabenUI/settings-docker.py
+++ b/VorgabenUI/settings-docker.py
@@ -126,6 +126,13 @@ STATICFILES_DIRS= (
     os.path.join(BASE_DIR,"static"),
     )
 
+# Media files (User-uploaded content)
+MEDIA_URL = '/media/'
+MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
+
+# Diagram cache settings
+DIAGRAM_CACHE_DIR = 'diagram_cache'  # relative to MEDIA_ROOT
+
 # Default primary key field type
 # https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field
 
diff --git a/VorgabenUI/settings.py b/VorgabenUI/settings.py
index 63407ea..ab3add7 100644
--- a/VorgabenUI/settings.py
+++ b/VorgabenUI/settings.py
@@ -139,6 +139,13 @@ STATICFILES_DIRS= (
     os.path.join(BASE_DIR,"static"),
     )
 
+# Media files (User-uploaded content)
+MEDIA_URL = '/media/'
+MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
+
+# Diagram cache settings
+DIAGRAM_CACHE_DIR = 'diagram_cache'  # relative to MEDIA_ROOT
+
 # Default primary key field type
 # https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field
 
diff --git a/VorgabenUI/urls.py b/VorgabenUI/urls.py
index 209a1b9..4a4427e 100644
--- a/VorgabenUI/urls.py
+++ b/VorgabenUI/urls.py
@@ -34,5 +34,11 @@ urlpatterns = [
     path('referenzen/', referenzen.views.tree, name="referenz_tree"),
     path('referenzen/<str:refid>/', referenzen.views.detail, name="referenz_detail"),
     re_path(r'^diagramm/(?P<path>.*)$', DiagrammProxyView.as_view()),
-] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
+]
 
+# Serve static files
+urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
+
+# Serve media files (including cached diagrams)
+if settings.DEBUG:
+    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)