The kube-prometheus-stack (helm chart) is pretty cheap to maintain. I have that plus selfhosting Loki. If you are looking for a similar setup, there’s Grafana

The kube-prometheus-stack (helm chart) is pretty cheap to maintain. I have that plus selfhosting Loki. If you are looking for a similar setup, there’s Grafana Cloud with a generous free tier, but I haven’t tried that.