generateJwt example

$io->title('Shopware setup process');
        $io->text('This tool will setup your instance.');

        if (!$input->getOption('force') && file_exists($this->projectDir . '/.env')) {
            $io->comment('Instance has already been set-up. To start over, please delete your .env file.');

            return Command::SUCCESS;
        }

        if (!$input->isInteractive()) {
            $this->generateJwt($input, $io);
            $key = Key::createNewRandomKey();
            $env['APP_SECRET'] = $key->saveToAsciiSafeString();
            $env['INSTANCE_ID'] = $this->generateInstanceId();

            $this->createEnvFile($input, $io, $env);

            return Command::SUCCESS;
        }

        $io->section('Application information');
        $env['APP_ENV'] = $io->choice('Application environment', ['prod', 'dev'], $input->getOption('app-env'));