protected function checkEnvironment(OutputInterface $output)
    {
        if ($this->getContainer()->get('kernel')->getEnvironment() !== 'prod') {
            $output->writeln('<bg=yellow>                                                                            </bg=yellow>');
            $output->writeln('<bg=yellow;options=bold;fg=black>  Warning:                                                                  </bg=yellow;options=bold;fg=black>');
            $output->writeln('<bg=yellow;fg=black>  You should run the command in production environment ("--env=prod")       </bg=yellow;fg=black>');
            $output->writeln('<bg=yellow>                                                                            </bg=yellow>');
        }
    }