By default publapi listens on 127.0.0.1:3000. You can change the port with the environment variable PUBLAPI_PORT.
Additionally, you need to set the variable PUBLAPI_SHOUTRRRURL in order for notifications to work. Url Format can be found at https://containrrr.dev/shoutrrr/v0.5/services/matrix/
| /signup | POST | username, email, ssh | Creates a register script and notifies admins that a new registration request was sent. Note: SSH Key must be sent in base64 form |