We know it will be much better if you can customize a prebuilt service to fit your needs just in the dashboard instead of contributing a new toml file to our repository. So we've been improving our prebuilt service optimization feature, and it's much easier to customize a prebuilt service now.
You can now add multiple volumes to a prebuilt service now. For example, you can add a volume for the database and another volume for the logs.
You can take the Directus prebuilt we made in our official repository.
You can also create a prebuilt service directly in the dashboard with a TOML file.