IronWorker .worker file using PHP and ffmpeg stack

composer.json

{
    "require": {
        "php-ffmpeg/php-ffmpeg": "0.5.*@dev",
        "codescale/ffmpeg-php": "dev-master",
        "pulse00/ffmpeg-bundle": "dev-master",
        "php-ffmpeg/extras": "0.3.*@dev"
    }
}

ffmpeg_php.worker

# declare runtime
runtime "php"
 
# define IronWorker stack
stack "ffmpeg-2.3"
 
# include your package.json and build script, builds happen once initialy on upload on not each time task is run
file "composer.phar" 
file "composer.json"
build "php composer.phar install"
 
# define your executable
exec "ffmpeg_php_worker.php"