Be sure you have node 16 on your machine. You can use NVM to easily switch versions.
Be sure you have docker on your machine.
Be sure you have the Symfony binary on your machine.
curl -sS https://get.symfony.com/cli/installer | bash You just have to run make install on the root of the project and go to http://127.0.0.1:8080 when installation is
done.
Run yarn install to install dependencies.
Run yarn run watch while coding.
Run yarn run build to compile like in production mode after you ended your changes.