I managed to deploy!
but in debug mode.
I create an image in debug mode, then deploy in debug mode.
the default does not work:
error during deployment:
[URL=http://www.dump-it.fr/screenshot2013-11-15-12-39-25png/a57aa2ef039b07200e81e352693d052a.png.html][IMG]http://www.dump-it.fr/upload/images/miniatures/a57aa2ef039b07200e81e352693d052a.png[/IMG][/URL]
I also noticed an error on Ubuntu 13.10:
I jpgraph does not work properly. that is to say, no visible graphic.
big thank!