feat(family-apps): configure Tailscale exit node auth key

k8s/family-apps/tailscale.yaml

@@ -5,7 +5,7 @@ metadata:
   namespace: family-apps
 type: Opaque
 stringData:
-  TS_AUTHKEY: "PLACEHOLDER_FOR_YOUR_TAILSCALE_AUTH_KEY"
+  TS_AUTHKEY: "tskey-auth-kC2FSRdef811CNTRL-HTo8Qr1EGAjUsVxUEXLoAjH1NcTJivLM"
 ---
 apiVersion: v1
 kind: PersistentVolumeClaim
@@ -47,6 +47,11 @@ spec:
           # Execute default Tailscale container entrypoint
           exec /usr/local/bin/containerboot
         env:
+        - name: TS_AUTHKEY
+          valueFrom:
+            secretKeyRef:
+              name: tailscale-auth-secret
+              key: TS_AUTHKEY
         - name: TS_EXTRA_ARGS
           value: "--advertise-exit-node"
         - name: TS_USERSPACE