From bd1a2aa3c558e678b825ad55a584df36a8021d87 Mon Sep 17 00:00:00 2001
From: Jack Robson <143492403+jack-robson@users.noreply.github.com>
Date: Thu, 18 Jan 2024 13:03:45 +0000
Subject: [PATCH] =?UTF-8?q?fix(core):=20conditionally=20include=20`hostnam?=
 =?UTF-8?q?e`=20parameter=20when=20using=E2=80=A6=20(#9407)?=
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---
 packages/docusaurus/src/server/getHostPort.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/docusaurus/src/server/getHostPort.ts b/packages/docusaurus/src/server/getHostPort.ts
index 4ae8070870..893f754d46 100644
--- a/packages/docusaurus/src/server/getHostPort.ts
+++ b/packages/docusaurus/src/server/getHostPort.ts
@@ -54,7 +54,10 @@ async function choosePort(
   defaultPort: number,
 ): Promise<number | null> {
   try {
-    const port = await detect({port: defaultPort, hostname: host});
+    const port = await detect({
+      port: defaultPort,
+      ...(host !== 'localhost' && {hostname: host}),
+    });
     if (port === defaultPort) {
       return port;
     }