Add storage

This add storage, what do you think of it (default values, location of storages) ?

Documented in https://hub.pages.pasteur.fr/shiny-k8s/user_guide/helm_settings.html#storage

shiny-server/templates/deployment.yaml

@@ -39,6 +39,21 @@ spec:
             - name: http
               containerPort: 3838
               protocol: TCP
+          {{- if and .Values.storage.enabled }}
+          volumeMounts:
+            - name: persistent-storage
+              mountPath: /srv/shiny-server/www/persistent
+              subPath: www
+            - name: persistent-storage
+              mountPath: /srv/shiny-server/data
+              subPath: data
+          {{- end }}
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
+      {{- if and .Values.storage.enabled }}
+      volumes:
+        - name: persistent-storage
+          persistentVolumeClaim:
+            claimName: {{ include "chart.fullname" . }}
+      {{- end }}
 ---
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