Can't run as read_only any more

[AnderssonPeter]

Hi i try to run all my containers if possible in read_only mode, but since the 0.1.2 version the container needs to generate the file /usr/local/etc/haproxy/haproxy.cfg but as the directory /usr/local/etc/haproxy/ contains the template file i can't mark it as tmpfs..

Is there some way to change where the generated file is stored?