apiVersion: elasticsearch.k8s.elastic.co/v1
kind: Elasticsearch
metadata:
  name: elasticsearch-ka
spec:
  version: 8.17.4
  nodeSets:
  - name: default
    count: 3
    config:
      node.store.allow_mmap: false
    volumeClaimTemplates:
    - metadata:
        name: elasticsearch-data
      spec:
        accessModes:   
        - ReadWriteOnce
        storageClassName: longhorn
        resources: 
          requests:
            storage: 20Gi