Helm installation parameters

How to change this configuration in helm installation:
[server]
domain = localhost

I installed Grafana helm with the following instructions:

cat << EoF > grafana.yaml
datasources:
datasources.yaml:
apiVersion: 1
datasources:
- name: Prometheus
type: prometheus
url: http://prometheus-server.prometheus.svc.cluster.local
access: proxy
isDefault: true
EoF

helm install grafana grafana/grafana
–namespace grafana
–set persistence.storageClassName=“gp2”
–set persistence.enabled=true
–set adminPassword=‘…’
–values grafana.yaml
–set service.type=ClusterIP
–set nodeSelector.name=ng-default