heml

helm repo add elastic https://helm.elastic.co helm install elasticsearch elastic/elasticsearch -n es --set replicas=1 --set minimumMasterNodes=1 --set resources.requests.memory=1Gi --set volumeClaimTemplate.resources.requests.storage=20Gi

Check if exist serviceAccountName:

    spec:
      {{- with .Values.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.serviceAccount }}
      serviceAccountName: {{ .name }}
      {{- end }}
      securityContext:
        {{- toYaml .Values.podSecurityContext | nindent 8 }}
      containers:
        - name: {{ .Chart.Name }}
          securityContext:
            {{- toYaml .Values.securityContext | nindent 12 }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}

Values:

serviceAccount:
  # Specifies whether a service account should be created
  create: true
  # Annotations to add to the service account
  annotations: {}
  # The name of the service account to use.
  # If not set and create is true, a name is generated using the fullname template
  name: "bleh"

test

helm install --dry-run --debug buildachart --generate-name