Hello folks

I am a swift newby who learns how to develop iOS apps.

At my application I have some data that need to initialized/generated. I will need to keep this data in the application storage. I want to do it in a correct, swiftui-idiomatic way.

So I have 2 questions here:

1. What is the proper way to run a function once to generate application data? The data must be generated either at installation time or the very first time the app starts.

2. What is the proper way to store a struct of size ~2K? The data is generated once and stays effectively constant. I've read about UserDefaults.standard and it seems json serialization/deserialization is one way to do the job. Are there more standard ways to handle the persistent data?