How to Use Fastlane to Deploy dSYM Files to Firebase Crashlytics

This is a follow-up post on How to Use Fastlane to Deploy iOS App Fast. Recently, I faced a problem related to uploading dSYM files to Firebase Crashlytics.

So what is a dSYM file? According to Apple,

When Xcode compiles your source code into machine code, it generates a list of…