#!/usr/bin/env php

$app = new Consoler\Application();

$app->setContainer($container = new Katora\Container());

$container->singleton('pdo', function ()
{
    return new PDO(/** args */);
});

$app->add(new InstallCommand());

$app->run();

use Consoler\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

class InstallCommand extends Command
{
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        /** @var \PDO $pdo */
        $pdo = $this->getContainer()->get('pdo');
        // ...more code!
    }
}