Reduce number of seeded users for faster start

examples/fullstack/compose.yml

@@ -39,8 +39,6 @@ services:
     image: postgres:latest
     environment:
       - POSTGRES_PASSWORD=postgres
-    env_file:
-      - ./backend/.env
     healthcheck:
       test: pg_isready --d postgres --user postgres
       interval: 5s
@@ -51,4 +49,4 @@ services:
 # Isolate our node_modules from our host system.  Docker will handle creating these volumes
 volumes:
   frontend_node_modules:
-  backend_node_modules:
+  backend_node_modules: