From 4405bdd344465e2ef7daeb9358652e30a1cb8f85 Mon Sep 17 00:00:00 2001
From: rcourtman <courtmanr@gmail.com>
Date: Wed, 8 Oct 2025 09:05:21 +0000
Subject: [PATCH] Add null-safety for dockerHosts in DockerRoute

Prevent 'Cannot read properties of undefined (reading length)' by
ensuring dockerHosts defaults to empty array if undefined.
---
 frontend-modern/src/App.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/frontend-modern/src/App.tsx b/frontend-modern/src/App.tsx
index 97d048f1f..3a95d3d5e 100644
--- a/frontend-modern/src/App.tsx
+++ b/frontend-modern/src/App.tsx
@@ -71,7 +71,8 @@ function DockerRoute() {
     return <div>Loading...</div>;
   }
   const { state, activeAlerts } = wsContext;
-  return <DockerHosts hosts={state().dockerHosts} activeAlerts={activeAlerts} />;
+  const hosts = state().dockerHosts || [];
+  return <DockerHosts hosts={hosts} activeAlerts={activeAlerts} />;
 }
 
 function App() {