- Ngrok api token
- NGROK_WRAPPER_SCRIPT_NAME (optional) - specifies a script that starts a ngrok service.
The following will only work if NGROK_WRAPPER_SCRIPT_NAME is unchanged:
- NGROK_API_TOKEN (required) - a personal ngrok api token.
- NGROK_OPTS (optional) - additional options for ngrok service.
- NGROK_PORT (optional) - a port to tunnel to.
- NGROK_GET_IP_SCRIPT_NAME (optional) - where to write a script which returns ngrok server ip.