Limit number of items in initial sync

lib/frenzy_web/controllers/fervor/items_controller.ex

@@ -146,7 +146,13 @@ defmodule FrenzyWeb.Fervor.ItemsController do
     {deleted_ids, upserted} =
       case last_sync do
         nil ->
-          items = Repo.all(from i in Item, where: not i.tombstone and i.feed_id in ^feed_ids)
+          items =
+            Item
+            |> where([i], not i.tombstone and i.feed_id in ^feed_ids)
+            |> order_by([i], desc: i.inserted_at)
+            |> limit(1000)
+            |> Repo.all()
+
           {[], items}
 
         _ ->