...
13b. As root, install the proper id_dsa.pub in the ~/.ssh directory... the one corresponding to ${DEPLOY_USER}@${DEPLOY_SERVER}.
13c. Uh, er, make sure, on the remote server, that DEPLOY_USER is in /etc/passwd, and in the user's .ssh directory, the proper info is in the authorized_keys file.
I WILL HAVE TO CLEAN THIS UP.