code: protected function execute(InputInterface $input, OutputInterface $output)
      {
          if (false === is_file('composer.json')) {
              throw new Exception('Commands must be run from root of project.');
          }
  
          try {
              $this->databaseService->init(getcwd());
              $output->writeln('<info>'.static::$successMessage.'</info>');
          } catch (Exception $e) {
              $output->writeln($e->getMessage());
          }
      }
docs: {@inheritdoc}