An Oauth2 application must be set up in Gitea. Visit [https://docs.drone.io/server/provider/gitea/](https://docs.drone.io/server/provider/gitea/) for more info, then set `drone_ci_gitea_client_id` and `drone_ci_gitea_client_secret` accordingly. The Gitea Redirect URL will be `http://<ansible_nas_ip>:{{ drone_ci_port_http }}/login`