Deploy to production

I want to work with multiple appwrite instances. One for development, one for testing and one for production. How can i deploy a function to production with my cli. It’s connected to my test system. Can the cli be connected to multiple appwritw instances?

TL;DR

The user wants to deploy a function to production using the CLI for multiple Appwrite instances. The user has shared a script for maintaining multiple prefs.json files. They are looking for guidance on how to connect the CLI to multiple Appwrite instances. No solution provided.