From f984535c2ac066bd799d9bf95a426c1b5e5f173d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=B5=85=E5=BF=B5?= <email@sample.com>
Date: Wed, 23 Sep 2026 13:55:46 +0800
Subject: [PATCH] =?UTF-8?q?fix(deploy):=20absolute=5Fredirect=20off=20?=
 =?UTF-8?q?=E2=80=94=20root=20redirect=20keeps=20host:port=20through=20rev?=
 =?UTF-8?q?erse=20proxy?=
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nginx 默认 absolute_redirect on：return 302 被绝对化为 scheme://Host/（经
OpenResty 反代 Host 无端口 → 32005/ 跳到无端口的 /admin/ 打不开）。
off 后发相对 Location，浏览器按当前 host:port 补全。

Co-Authored-By: Claude Code <noreply@anthropic.com>
---
 infra/deploy/nginx.conf.template | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/infra/deploy/nginx.conf.template b/infra/deploy/nginx.conf.template
index 400111d..6afec06 100644
--- a/infra/deploy/nginx.conf.template
+++ b/infra/deploy/nginx.conf.template
@@ -26,6 +26,11 @@ server {
     root /usr/share/nginx/html/viewer;
     index index.html;
 
+    # 跳转一律发相对 Location（absolute_redirect 默认 on 会按收到的 Host 头
+    # 绝对化——经反代丢端口，浏览器跳到无端口的 80；off 后浏览器按当前
+    # host:port 补全，2026-09-23 用户报告 32005/ 丢端口即此因）。
+    absolute_redirect off;
+
     gzip on;
     gzip_comp_level 5;
     gzip_min_length 1024;