* Install PHP 8.0 or higher and these PHP extensions (which are installed and enabled by default in most PHP 8 installations): Ctype, iconv, JSON, PCRE, Session, SimpleXML, and Tokenizer;
* [Install NodeJS](https://nodejs.org/en/download/) 16 or higher, [Yarn](https://classic.yarnpkg.com/en/docs/install/#debian-stable) and [Webpack](https://webpack.js.org/guides/installation/)
* Edit `.env.local` ([documentation](https://symfony.com/doc/current/configuration.html#configuring-environment-variables-in-env-files)). Don't forget to set `APP_SECRET`.