Install the CLI if not already done so

dart pub global activate flutterfire_cli

Generate codes from models like json annotation by running the command below

flutter pub run build_runner build

Run the configure command, select a Firebase project and platforms

flutterfire configure

Run command on web

flutter run -d chrome --web-renderer html

Run command below to configure cors for web

Consider you have gsutil cli

gsutil cors set cors.json gs://yobit-54b2a.appspot.com