Fix TeamSpeak license: use init container to copy into data volume (chown-safe)

apps/teamspeak/teamspeak.yaml

@@ -59,6 +59,16 @@ spec:
       labels:
         app: teamspeak
     spec:
+      initContainers:
+        - name: copy-license
+          image: busybox:latest
+          command: ['sh', '-c', 'cp /license/licensekey.dat /data/licensekey.dat']
+          volumeMounts:
+            - name: teamspeak-data
+              mountPath: /data
+            - name: license
+              mountPath: /license
+              readOnly: true
       containers:
         - name: teamspeak
           image: teamspeak:latest
@@ -83,10 +93,6 @@ spec:
           volumeMounts:
             - name: teamspeak-data
               mountPath: /var/ts3server
-            - name: license
-              mountPath: /var/ts3server/licensekey.dat
-              subPath: licensekey.dat
-              readOnly: true
           resources:
             requests:
               memory: 128Mi