Copy the access token from the Mapbox console.
Run the app
flutter run --dart-define MAPBOX_ACCESS_TOKEN=...Build the app
flutter build <platform> --dart-define MAPBOX_ACCESS_TOKEN=...Copy the Firebase config from https://console.firebase.google.com/project/<project-id>/settings/general/ and use it the same way:
--dart-define FIREBASE_API_KEY=...
--dart-define FIREBASE_APP_ID=...
--dart-define FIREBASE_MESSAGING_SENDER_ID=...
--dart-define FIREBASE_PROJECT_ID=...