Upgrade to elastic 8.5.0 and keep using http

templates/storage/elasticsearch/configMap.yaml

@@ -0,0 +1,13 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "finala.fullname" . }}-elasticsearch-config
+  labels:
+    chart: "{{ .Chart.Name }}"
+    app: "{{ include "finala.fullname" . }}-elasticsearch"
+data:
+{{- range $path, $config := .Values.storage.esConfig }}
+  {{ $path }}: |
+{{ $config | indent 4 -}}
+{{- end -}}

templates/storage/elasticsearch/elasticsearch.yaml

@@ -15,9 +15,13 @@ spec:
       labels:
         component: {{ include "finala.fullname" . }}-elasticsearch
     spec:
+      volumes:
+        - name: esconfig
+          configMap:
+            name: {{ include "finala.fullname" . }}-elasticsearch-config
       containers:
       - name: {{ include "finala.fullname" . }}-elasticsearch
-        image: docker.elastic.co/elasticsearch/elasticsearch:7.7.0
+        image: docker.elastic.co/elasticsearch/elasticsearch:8.5.0
         env:
         - name: discovery.type
           value: single-node
@@ -29,4 +33,10 @@ spec:
           requests:
             cpu: 500m
             memory: 1Gi
-{{- end }}
+        volumeMounts:
+        {{- range $path, $config := .Values.storage.esConfig }}
+        - name: esconfig
+          mountPath: /usr/share/elasticsearch/config/{{ $path }}
+          subPath: {{ $path }}
+        {{- end -}}
+{{- end }}

values.yaml

@@ -13,6 +13,13 @@ fullnameOverride: ""
 
 storage:
   type: internal
+  # Elasticsearch application configurations for http access. Remove for https and add other configurations. Example: https://github.com/elastic/helm-charts/blob/7.17/elasticsearch/examples/security/values.yaml
+  esConfig:
+    elasticsearch.yml: |
+      network.host: 0.0.0.0
+      xpack.security.enabled: false
+      xpack.security.http.ssl.enabled: false
+      xpack.security.transport.ssl.enabled: false
 
 api:
   create: true