There are two viable options for automated Ghostnode setup:
One-Click Installer from the NIX GUI Wallet
If you have your beautiful NIX GUI Wallet running, head over to the Ghostnode Tab and click on Set-Up New Node. You will be greeted by the following screen:
Enter all the required details and click OK to finalize the installation.
This installation is also automated but needs a bit more technical understanding of ssh connections. You can find all required information on his GitHub Repository.