code: public function boot()
      {
          $token = $this->app->make('config')->get('services.discord.token');
  
          $this->app->when(Discord::class)
              ->needs('$token')
              ->give($token);
  
          $this->app->when(SetupCommand::class)
              ->needs('$token')
              ->give($token);
      }
docs: Bootstrap the application services.