diff --git a/archivebox/core/views.py b/archivebox/core/views.py
index c954946a..da420aab 100644
--- a/archivebox/core/views.py
+++ b/archivebox/core/views.py
@@ -213,12 +213,14 @@ class PublicIndexView(ListView):
         }
 
     def get_queryset(self, **kwargs): 
-        qs = super().get_queryset(**kwargs) 
+        qs = super().get_queryset(**kwargs)
         query = self.request.GET.get('q')
         if query:
             qs = qs.filter(Q(title__icontains=query) | Q(url__icontains=query) | Q(timestamp__icontains=query) | Q(tags__name__icontains=query))
+        
         for snapshot in qs:
-            snapshot.icons = snapshot_icons(snapshot)
+            # lazy load snapshot icons, otherwise it will load icons for entire index at once
+            snapshot.icons = lambda: snapshot_icons(snapshot)
         return qs
 
     def get(self, *args, **kwargs):
diff --git a/docker-compose.yml b/docker-compose.yml
index 43e0d843..c6199b0d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,8 +19,9 @@ services:
         ports:
             - 8000:8000
         environment:
-            - USE_COLOR=True
-            - SHOW_PROGRESS=False
+            - ALLOWED_HOSTS=*                   # add any config options you want as env vars
+            - MEDIA_MAX_SIZE=750m
+            # - SHOW_PROGRESS=False
             # - SEARCH_BACKEND_ENGINE=sonic     # uncomment these if you enable sonic below
             # - SEARCH_BACKEND_HOST_NAME=sonic
             # - SEARCH_BACKEND_PASSWORD=SecretPassword