# 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"