feat(netbird): add tailscale-alternative

netbird/.env.example

@@ -0,0 +1,13 @@
+# Public hostname advertised to NetBird clients and used for TLS/OAuth.
+NETBIRD_DOMAIN=nb.forust.xyz
+
+# Internal-only aliases routed by the existing Traefik instance.
+NETBIRD_LOCAL_DOMAIN=netbird.workstation.internal
+NETBIRD_DEV_DOMAIN=netbird.gigaforust.internal
+
+NETBIRD_PROXY_SUBNET=auto
+
+NETBIRD_CLIENT_HOSTNAME=hostname
+
+# Add a dashboard-generated setup key before starting client.compose.yaml.
+# NB_SETUP_KEY=