Well, I have got #Nextcloud and #Forgejo working. #Grafana is proving very challenging:
I have node-exporter working on both devices.
I have #prometheus_grafana possibly working (a page opens, but not sure if data is being collected).
Grafana will not appear - even after editing the port inside the container (using Vi for extra Mr Robot points).
I have learned much about #Docker and .yml files and I would very much like to make it work, but really struggling now.