jitsi: copy tcp custom config via init

services/jitsi/deployment.yaml

@@ -95,6 +95,18 @@ spec:
     type: Recreate
   selector:
     matchLabels: { app: jitsi-jvb }
+  initContainers:
+    - name: jvb-custom-config
+      image: busybox:1.36
+      command:
+        - /bin/sh
+        - -c
+        - |
+          set -euo pipefail
+          cp /custom-config/custom-jvb.conf /config/custom-jvb.conf
+      volumeMounts:
+        - { name: cfg, mountPath: /config }
+        - { name: jvb-custom, mountPath: /custom-config }
   template:
     metadata:
       labels: { app: jitsi-jvb }
@@ -130,7 +142,6 @@ spec:
             - { name: JVB_TCP_PORT, value: "4443" }
           volumeMounts:
             - { name: cfg, mountPath: /config }
-            - { name: jvb-custom, mountPath: /config/custom-jvb.conf, subPath: custom-jvb.conf }
       volumes:
         - name: cfg
           persistentVolumeClaim: { claimName: jitsi-jvb-config }