You could run something like Autotest for continuous testing & quality control: http://ph7spot.com/musings/getting-started-with-autotest

You can run Capistrano for continuous deployment: https://github.com/capistrano/capistrano.

If you wanted to go the extra mile you could also setup different staging environments on your server: http://cjohansen.no/en/rails/multi_staging_environment_for_r...