elasticsearch values.yaml

extraVolumes:
   - name: MyExtraVolume
  #   emptyDir: {}

extraVolumeMounts:
   - name: MyExtraVolume
     mountPath: /usr/share/extras
  #   readOnly: true

helm upgrade elasticsearch elastic/elasticsearch -f ./elasticsearch values.yaml

Related

• replicas
• https://github.com/elastic/helm-charts/blob/24ac48ac81c43c137e482c47f3a1bf616f49e40d/elasticsearch/tests/elasticsearch_test.py

See also

• helm upgrade [ --reuse-values | --atomic | --debug | --force | --reuse-values | --reset-values | --verify ], helm install, --help