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생각보다 옛날 버전의 react-native 에서 firebase 를 적용하는 방법이 많아직접 해보고 정리해 보았습니다. https://rnfirebase.io/#3-ios-setup React Native Firebase | React Native FirebaseWelcome to React Native Firebase! To get started, you must first setup a Firebase project and install the "app" module. React Native Firebase is the officially recommended collection of packages that brings React Native support for all Firebase servi..