chart fixes and readme edits

helm/nextcloud/templates/deployment.yaml

@@ -13,6 +13,15 @@ spec:
       labels:
         app.kubernetes.io/name: nextcloud
     spec:
+      tolerations:
+      - key: "node.kubernetes.io/unreachable"
+        operator: "Exists"
+        effect: "NoExecute"
+        tolerationSeconds: 1
+      - key: "node.kubernetes.io/not-ready"
+        operator: "Exists"
+        effect: "NoExecute"
+        tolerationSeconds: 1
       containers:
       - name: nextcloud
         image: {{ .Values.nextcloud.image }}
@@ -94,8 +103,10 @@ spec:
         persistentVolumeClaim:
           claimName: {{ .Release.Name }}-postgres-iops
       - name: redis
-        persistentVolumeClaim:
-          claimName: {{ .Release.Name }}-redis-iops
+        emptyDir:
+          sizeLimit: 2Gi
+        # persistentVolumeClaim:
+        #   claimName: {{ .Release.Name }}-redis-iops
       - name: postgres-init
         secret:
           secretName: {{ .Release.Name }}-postgres-init