feat: Allow file-server PVC to be configured

helm/flowfuse/README.md

@@ -219,6 +219,9 @@ Enables FlowFuse Telemetry
 - `forge.fileStore.serviceAccount.automountServiceAccountToken` defines automount API credentials for a Service Account
 - `forge.fileStore.automountServiceAccountToken` defines automount API credentials for a pod (default `false`)
 - `forge.fileStore.revisionHistoryLimit` number of old ReplicaSets to retain for the file storage Deployment. If not set, uses `forge.revisionHistoryLimit` (default `10`).
+- `forge.fileStore.pvc.size` starting size for the PVC that backs the file-server (default `10Gi`)
+- `forge.fileStore.pvc.accessModes` Array of AccessModes for the PVC that backs the file-server (default single entry of `ReadWriteOnce`)
+- `forge.fileStore.pvc.storageClassName` Which StorageClass to use for the PVC that backs the file-server (default not set)
 
 ### Persistent Storage
 

helm/flowfuse/templates/file-storage.yml

@@ -8,10 +8,19 @@ metadata:
   {{- include "forge.labels" . | nindent 4 }}
 spec:
   accessModes:
-    - ReadWriteOnce
+    {{- if .Values.forge.fileStore.pvc.accessModes }}
+    {{- range .Values.forge.fileStore.pvc.accessModes }}
+    - {{ . | quote }}
+    {{- end }}
+    {{- else }}
+    - {{ .Values.forge.fileStore.pvc.accessModes | default "ReadWriteOnce" }}
+    {{- end }}
   resources:
     requests:
-      storage: 10Gi
+      storage: {{ .Values.forge.fileStore.pvc.size | default "10Gi" }}
+  {{- if .Values.forge.fileStore.pvc.storageClassName }}
+  storageClassName: {{ .Values.forge.fileStore.pvc.storageClassName }}
+  {{- end }}
 {{- end }}
 ---
 apiVersion: apps/v1

helm/flowfuse/values.schema.json

@@ -714,6 +714,24 @@
                         },
                         "automountServiceAccountToken" : {
                             "type": "boolean"
+                        },
+                        "pvc": {
+                            "type": "object",
+                            "properties": {
+                                "size": {
+                                    "type": "string"
+                                },
+                                "storageClassName": {
+                                    "type": "string"
+                                },
+                                "accessModes": {
+                                    "type": "array",
+                                    "items": {
+                                        "type": "string",
+                                        "enum": ["ReadWriteOnce", "ReadWriteMany", "ReadOnlyMany", "ReadWriteOncePod"]
+                                    }
+                                }
+                            }
                         }
                     },
                     "required": [

helm/flowfuse/values.yaml

@@ -99,6 +99,7 @@ forge:
       backend:
         prometheus:
           enabled: false
+    pvc: {}
 
   support:
     enabled: false