added mounted config file as configmap

arcade-system/romm.yaml

@@ -20,6 +20,20 @@ metadata:
   labels:
     app.kubernetes.io/name: romm
 ---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: romm-config-file
+  namespace: arcade-system
+data:
+  config.yml: |
+    # ROMM Configuration File
+    # Most settings are handled via environment variables in the deployment.
+    # This file satisfies the requirement for the config.yml to be present.
+    romm:
+      # You can add specific overrides here if needed
+      # Reference: https://docs.romm.app/4.5.0/Getting-Started/Configuration-File/
+---
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -177,6 +191,9 @@ spec:
           mountPath: /romm/resources
         - name: config
           mountPath: /romm/config
+        - name: config-file
+          mountPath: /romm/config/config.yml
+          subPath: config.yml
         livenessProbe:
           httpGet:
             path: /api/heartbeat
@@ -200,6 +217,9 @@ spec:
       - name: config
         persistentVolumeClaim:
           claimName: romm-config
+      - name: config-file
+        configMap:
+          name: romm-config-file
 ---
 apiVersion: v1
 kind: Service