use env flutter
You can do that by inserting in the .env file: HOST=localhost PORT=3000 Add the .env file in the assets section of the pubspec.yaml: assets: - .env Then, you can change the main function in the main.dart to load the .env file: Future main() async { await DotEnv().load('.env'); runApp(MyApp()); } After that, you can get the HOST and PORT anywhere with: DotEnv().env['PORT']; DotEnv().env['HOST']; All these instructions are in the README of the library: https://pub.dev/packages/flutter_dotenv#-readme-tab-
