modify to use gluetun container within the same pod

cluster/apps/prowlarr/prowlarr.yml

@@ -14,6 +14,28 @@ spec:
       labels:
         app: prowlarr
     spec:
+      initContainers:
+      - name: gluetun
+        image: qmcgaw/gluetun:v3.40.0
+        restartPolicy: Always
+        securityContext:
+          capabilities:
+            add:
+            - NET_ADMIN
+        envFrom:
+        - configMapRef:
+            name: gluetun-config
+        env:
+        - name: OPENVPN_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: openvpn-secrets
+              key: OPENVPN_PASSWORD
+        - name: OPENVPN_USER
+          valueFrom:
+            secretKeyRef:
+              name: openvpn-secrets
+              key: OPENVPN_USER
       containers:
       - name: prowlarr
         image: lscr.io/linuxserver/prowlarr:1.37.0