How to Handle Upgrades in a Rails Application?

There is a way to make a template and reuse it with the generators, right? But every time people end up with some kind of solution like this, they end up building something like you have with Rails formation. So my goal was to automate this. So you can just take a checkbox. I want to include GraphQL and it will happen automatically. Oh, that's awesome. And I think you can even use it with your client. You can ask him, so what do we want to have in a rails application and he will tell you: "What kind of fields do you want there?" The biggest question here is how do you handle upgrades? Or is that kind of just