flutter-sport/lib/config.dart

class Config {
  static final ENV_DEV = Config("https://test-shoes-api.funfet.com");
  static final ENV_TEST = Config("https://shoes-api.funfet.com");
  static final ENV_RELEASE = Config("https://shoes-api.funfet.com", debug: false);
  static Config config = ENV_TEST;

  String baseUrl;
  bool debug;
  Config(this.baseUrl, {this.debug = true});
}