... can be done in the .env.custom file. It will be located in the root directory of the Sentry installation. By default, there exists no .env.custom file. In this case, you can manually add this file by copying the .env file to a new .env.custom file and adjust your settings in the .env.custom file. Please keep in mind to check the .env file for changes, when you perform an upgrade of Sentry, so that you can adjust your .env.custom accordingly, if required.