nano /var/opt/gitlab/nginx/etc/gitlab-http.conf
BEFORE
server {
listen *:80;
server_name host.com;
server_tokens off; # don’t show the version number, a security best practice
root /opt/gitlab/embedded/service/gitlab-rails/public;
AFTER
server {
listen *:443 ssl;
server_name host.com;
server_tokens off; # don’t show the version number, a security best practice
root /opt/gitlab/embedded/service/gitlab-rails/public;
ssl_certificate /var/opt/gitlab/nginx/ssl/server.crt;
ssl_certificate_key /var/opt/gitlab/nginx/ssl/server.key;