Frontend Application ==================== When Webpacker compiles your JavaScript code, it scans the ``src/application`` directory for files with the .js extension and automatically includes them as entry points for the Webpack bundling process. For the ``application/app.js``, you can import it in template like this: :: {% javascript_pack 'app' attrs='charset="UTF-8"' %} In most cases, you do not need to create another file in this directory.