How set environment in iOS?

using config file

https://blog.kiprosh.com/environment-setup-to-manage-different-app-name-icon-and-endpoint-using-xcode-configurations-in-ios-swift-language/ – Best one

https://www.freecodecamp.org/news/managing-different-environments-and-configurations-for-ios-projects-7970327dd9c9/

using multiple target

View at Medium.com

https://www.appitventures.com/blog/setting-up-xcode-targets-how-to-create-multiple-ios-builds-with-different-api-environments