React-native-dotenv

Open your applications folder in VS Code. Install the React Native Tools plugin for VS Code. Press F5 or navigate to the debug menu (alternatively press Ctrl+Shift+D) and in the Debug dropdown select “Debug Windows” and press the green arrow to run the application.

An environment variable is a variable who’s value is set from outside the program. This variable is made up of a key/value pair that can be accessed simply by importing the variable from source file of your React Native App . In some cases, such as in React, the variable doesn’t need to be imported at all.

react-native-config It allows us to set up different configuration files for different environments . It advocates for twelve-factor configuration management which, summed up, is: Apps sometimes store config as constants in the code.