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 - запуск контейнеров из PHP. 
 Восзможное использование в тестах
 

use ToolsPhp\docker\Composer;
use ToolsPhp\docker\containers\DbContainer;
use ToolsPhp\docker\Docker;
include DIR . "/../vendor/autoload.php";
$docker = Docker::getInstance();
$docker->factory([
'postgres' => function(Composer $composer) {
$composer->setPrototype(DbContainer::class);
/** @var DbContainer $container */
$container =  $composer->up(DIR . '/docker-composer.yml');
$container->setParamConnect('pgsql', 'postgres','postgres','postgres');
    return $container;
}

]);
/** @var DbContainer $postgres */
$postgres = $docker->get('postgres');
$postgres->start();
$pdo = $postgres->getPDO();