Your user "deployer" has all the lovely rbenv PATH stuff in place and working.
If that is all working, I posted an answer to your SO question that might help that involves changing the way you specify what user the start command runs as.
Hope that helps.
Oh, also su to your "deployer" user and run the magical "rbenv rehash" command? Dunno, just a thought.
Two things to make sure:
Hope that helps.
Oh, also su to your "deployer" user and run the magical "rbenv rehash" command? Dunno, just a thought.