feat: Configure app service to restart automatically in Docker Compose and replace file-based restart trigger with process.exit().

docker-compose.yml

@@ -13,6 +13,7 @@ services:
       - ./src/db/log:/var/log/postgresql
   app:
     container_name: aurora_app
+    restart: unless-stopped
     image: aurora-app
     build:
       context: .