From 46e5e9db00eda1de15d897a5bc8ad0235e2c5aed Mon Sep 17 00:00:00 2001
From: 12975 <1297598740@qq.com>
Date: Wed, 28 Jan 2026 19:54:41 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E4=B8=BA=20Nginx=20=E9=85=8D=E7=BD=AE?=
 =?UTF-8?q?=20Docker=20=E5=86=85=E9=83=A8=20DNS=20=E8=A7=A3=E6=9E=90?=
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---
 nginx.conf | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/nginx.conf b/nginx.conf
index e858432..0195664 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -25,9 +25,13 @@ server {
         add_header Cache-Control "public, immutable";
     }
 
+    # 使用 Docker 内部 DNS 解析器
+    resolver 127.0.0.11 valid=30s;
+
     # API 代理到后端
     location /api/ {
-        proxy_pass http://backend:2612;
+        set $backend_host "backend:2612";
+        proxy_pass http://$backend_host;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection 'upgrade';
@@ -45,7 +49,8 @@ server {
 
     # 健康检查端点
     location /health {
-        proxy_pass http://backend:2612/health;
+        set $backend_host "backend:2612";
+        proxy_pass http://$backend_host/health;
         access_log off;
     }