/etc/hosts
127.0.0.1  localhost
10.0.0.10  wake.domain.com    wake
10.0.0.10  git.domain.com     git

/home/git/gitlab/config/gitlab.yml
production: &base
gitlab:
host: git.domain.com

/home/git/gitlab-shell/config.yml
gitlab_url: « https://git.domain.com »
^- yes, we are on SSL and that is working, even on new url

/etc/nginx/sites-available/gitlab
server {
server_name git.domain.com