3. edit the configuration file (`inventory/host_vars/<your-domain>/vars.yml`) to your liking. You should [enable one or more services](supported-services.md) in your `vars.yml` file. You may also take a look at the various `roles/**/ROLE_NAME_HERE/defaults/main.yml` files and see if there's something you'd like to copy over and override in your `vars.yml` configuration file.