Hi @suyashcyber94 , if you are not able to find the config/lighthouse.php file that means installation is not performed properly. after running the installation commnad : php artisan bagisto_graphql:install you can see in the below link ,this will hit to to following file and you can see the publish code for the lighthouse.php file. https://github.com/bagisto/headless-ecommerce/blob/main/src/Console/Commands/Install.php#L42 so please make sure the installation is properly perfomed. Also the config folder is on the root of your project. Thanks!