// include for settings managed by hanoii/ddev-drupal.
$ddev_dev_settings = '/var/www/html/.ddev/drupal/assets/settings.dev.php';
if (getenv('IS_DDEV_PROJECT') == 'true' && is_readable($ddev_dev_settings)) {
  require $ddev_dev_settings;
}

// Additionally, or alternatively, you can add your own settings.dev.php to your 
// site settings directory.
$project_dev_settings = $app_root . '/' . $site_path . '/settings.dev.php';
if (is_readable($project_dev_settings)) {
  require $project_dev_settings;
}