installer: combine private ingress and proxy into private-network
diff --git a/core/installer/values-tmpl/tailscale-proxy.yaml b/core/installer/values-tmpl/tailscale-proxy.yaml
index 904f850..047c196 100644
--- a/core/installer/values-tmpl/tailscale-proxy.yaml
+++ b/core/installer/values-tmpl/tailscale-proxy.yaml
@@ -16,9 +16,9 @@
         namespace: {{ .Global.Id }}
   interval: 1m0s
   values:
-    hostname: {{ .Values.Hostname}}
+    hostname: {{ .Values.PrivateNetwork.Hostname}}
     apiServer: http://headscale-api.{{ .Global.Id }}-app-headscale.svc.cluster.local
     loginServer: https://headscale.{{ .Global.Domain }} # TODO(gio): take headscale subdomain from configuration
-    ipSubnet: {{ .Values.IPSubnet }}
-    username: {{ .Values.Username }}
+    ipSubnet: {{ .Values.PrivateNetwork.IPSubnet }}
+    username: {{ .Values.PrivateNetwork.Username }} # TODO(gio): maybe install headscale-user chart separately?
     preAuthKeySecret: headscale-preauth-key