generator-php-scaffold/app/templates/backend/symfony/skeleton/config/routes.yaml

This generator create a application with restful architecture with Zend 3 or Symfony framework

#index:
#    path: /
#    controller: App\Controller\DefaultController::index
app.swagger_ui:
    path: /api/doc
    methods: GET
    defaults: { _controller: nelmio_api_doc.controller.swagger_ui }