try to fix initial db migration

priv/repo/migrations/20250707171625_add_count_optimization_index.exs

@@ -5,8 +5,9 @@ defmodule Aprsme.Repo.Migrations.AddCountOptimizationIndex do
   def up do
     # Add a partial index on id that will be used for COUNT(*) queries
     # This creates a small, fast index that PostgreSQL can use for counting
+    # Skip if already exists (from OptimizeInitialIndexCreation migration)
     execute """
-    CREATE INDEX CONCURRENTLY IF NOT EXISTS packets_count_idx
+    CREATE INDEX IF NOT EXISTS packets_count_idx
     ON packets (id)
     WHERE id IS NOT NULL
     """

priv/repo/migrations/20250710230644_optimize_initial_index_creation.exs

@@ -0,0 +1,21 @@
+defmodule Aprsme.Repo.Migrations.OptimizeInitialIndexCreation do
+  use Ecto.Migration
+  @disable_ddl_transaction true
+
+  def up do
+    # Drop and recreate the count optimization index more efficiently
+    execute "DROP INDEX IF EXISTS packets_count_idx"
+
+    # Use a simpler approach - just create the index normally for initial setup
+    # The CONCURRENTLY option is mainly useful in production with live data
+    execute """
+    CREATE INDEX packets_count_idx
+    ON packets (id)
+    WHERE id IS NOT NULL
+    """
+  end
+
+  def down do
+    execute "DROP INDEX IF EXISTS packets_count_idx"
+  end
+end