helm repo add grafana https://grafana.github.io/helm-charts
helm repo update
helm upgrade --install loki grafana/loki-stack --set grafana.enabled=true,prometheus.enabled=true,prometheus.alertmanager.persistentVolume.enabled=false,prometheus.server.persistentVolume.enabled=false
helm install loki-grafana grafana/grafana
kubectl get secret --namespace loki-grafana -o jsonpath="{.data.admin-password}" | base64 --decode ; echo
kubectl port-forward --namespace service/loki-grafana 3000:80