From 84fb82ea99a2cf79fbf191b51275fee91ebda488 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Mon, 9 Feb 2026 06:52:11 +0000
Subject: [PATCH] fix(swarm): guard getApplicationInfo against empty appNames
 array

When called with an empty array, `docker service ps` receives no
SERVICE argument and fails with "requires at least 1 argument".
Return early with [] when appNames is empty.
---
 packages/server/src/services/docker.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/server/src/services/docker.ts b/packages/server/src/services/docker.ts
index 2fec21ac3..935ab95dc 100644
--- a/packages/server/src/services/docker.ts
+++ b/packages/server/src/services/docker.ts
@@ -453,6 +453,9 @@ export const getApplicationInfo = async (
 	appNames: string[],
 	serverId?: string,
 ) => {
+	if (appNames.length === 0) {
+		return [];
+	}
 	try {
 		let stdout = "";
 		let stderr = "";