From ddev quickstart https://ddev.readthedocs.io/en/stable/users/quickstart/#drupal
mkdir civicrm && cd civicrm
ddev config --project-type=drupal --php-version=8.3 --docroot=web --database=mysql:8.0
ddev start
ddev composer create drupal/recommended-project:"^11"
ddev composer require drush/drush
ddev config --update
ddev restart