Drupal Configuration - settings.php
We provide extended example settings files for all versions of Drupal and ways of installing Drupal on our GitHub Repository: https://github.com/amazeeio/drupal-setting-files.
Each file is fully documented and contains best practices and explanations.
If you are interested you can handle Drupal configuration and the settings files as you prefere, please see our documentation of Environment Variables to see a list of all existing environment variables.