How To Set Up a Staging Server
If you want to test you latest development changes against your current data from production, you should set up a third "staging" server that combines the two.
Here's a tutorial that shows you how to set that up to run on a nightly schedule
Note: Migrator relies on the FMS Admin API V2 to schedule migrations for you, which was introduced in FileMaker Server 18. If you are using FileMaker Server 17 or earlier, you will need to add the FileMaker Server Script Schedules manually.