chore: improve dev experience via docker override, and remove redundant commands.

docker-compose.override.yml.linux

@@ -0,0 +1,10 @@
+services:
+  db:
+    volumes:
+      # Override the bind mount with a named volume
+      # Docker handles permissions automatically for named volumes
+      - db_data:/var/lib/postgresql/data
+
+volumes:
+  db_data:
+    name: aurora_db_data