To the accompany the blog https://ford.dev
https://ford.dev/getting-started-with-react-native/
We will use React Native 0.60.4. There are two main changes in v6 that dramatically improve development. 1. including cocoapods by default and 2. autolinking.
With React Native v0.60.4 and RNFirebase v5.5.6
Tutorial: https://ford.dev/react-native-and-firebase-how-to-send-push-notifications-on-ios-and-android-part-1/
Branch: configure-firebase-push-notifications
React Native + Firebase Part 2: How to Manage Push Notifications During The App Lifecycle on iOS & Android
With React Native v0.60.4 and RNFirebase v5.5.6
Branch: firebase-part-2