helm repo add bitnami https://charts.bitnami.com/bitnami
helm install elasticsearch-gravitee bitnami/elasticsearch --set master.replicas=3,ingest.enabled=true
helm repo add graviteeio https://helm.gravitee.io
helm install gravitee -f custom-values.yaml graviteeio/apim3
helm upgrade gravitee -f custom-values.yaml graviteeio/apim3
Ref.: https://community.gravitee.io/t/kubernetes-helm-gravitee-installation-complete-tutorial/373