add webapp extraVolumes and extraVolumeMounts

hosting/k8s/helm/templates/webapp.yaml

@@ -324,6 +324,9 @@ spec:
           volumeMounts:
             - name: shared
               mountPath: /home/node/shared
+            {{- with .Values.webapp.extraVolumeMounts }}
+            {{- toYaml . | nindent 12 }}
+            {{- end }}
       volumes:
         - name: shared
           {{- if .Values.persistence.shared.enabled }}
@@ -332,6 +335,9 @@ spec:
           {{- else }}
           emptyDir: {}
           {{- end }}
+        {{- with .Values.webapp.extraVolumes }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
       {{- with .Values.webapp.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}

hosting/k8s/helm/values.yaml

@@ -115,6 +115,26 @@ webapp:
     #       name: my-secret
     #       key: secret-key
 
+  # Extra volumes for the webapp pod
+  extraVolumes:
+    []
+    # - name: config-volume
+    #   configMap:
+    #     name: my-config
+    # - name: secret-volume
+    #   secret:
+    #     secretName: my-secret
+
+  # Extra volume mounts for the webapp container
+  extraVolumeMounts:
+    []
+    # - name: config-volume
+    #   mountPath: /etc/config
+    #   readOnly: true
+    # - name: secret-volume
+    #   mountPath: /etc/secrets
+    #   readOnly: true
+
   # ServiceMonitor for Prometheus monitoring
   serviceMonitor:
     enabled: false