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How to Manage React Native Dev, Staging, and Prod Builds Using Flavors and Schemes

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Managing multiple environments in React Native apps becomes complex as projects grow, requiring separate API endpoints, Firebase configs, app IDs, and native settings for each build type. A developer documented their solution using react-native-config alongside Android Product Flavors and iOS Schemes to automate environment selection. The approach relies on separate .env.dev and .env.prod files whose values are baked into the app at build time, eliminating manual file edits before each build. Simple npm scripts such as 'npm run android:dev' or 'npm run ios:prod' handle the correct environment automatically. The setup ensures that JavaScript, Android native code, and iOS native code all draw from a single environment configuration source without touching application code between builds.

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How to Manage React Native Dev, Staging, and Prod Builds Using Flavors and Schemes · ShortSingh