From db9f6784772d312743199b1f18aafd8c540bd0e6 Mon Sep 17 00:00:00 2001
From: liuxhit <23427350+liuxhit@users.noreply.github.com>
Date: Wed, 4 Oct 2023 13:41:35 -0500
Subject: [PATCH] Update default nginx config in guide.md (#6471)

update nginx config to avoid wss error when expose code-server using a custom domain and a custom port via nginx.

see also:
[issue of code-server](https://github.com/coder/code-server/issues/4443)
[different between `$host` and `$http_host`](https://stackoverflow.com/a/76875724)
---
 docs/guide.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/guide.md b/docs/guide.md
index 05af726c6..5bf2fc9da 100644
--- a/docs/guide.md
+++ b/docs/guide.md
@@ -191,7 +191,7 @@ At this point, you should be able to access code-server via
 
        location / {
          proxy_pass http://localhost:8080/;
-         proxy_set_header Host $host;
+         proxy_set_header Host $http_host;
          proxy_set_header Upgrade $http_upgrade;
          proxy_set_header Connection upgrade;
          proxy_set_header Accept-Encoding gzip;