From 24338e562cdb594f08af48139171cfe12f008b1e Mon Sep 17 00:00:00 2001
From: JEECG <445654970@qq.com>
Date: Thu, 9 Jul 2026 14:09:55 +0800
Subject: [PATCH] =?UTF-8?q?fix(docker):=20=E5=8D=95=E4=BD=93=E5=89=8D?=
 =?UTF-8?q?=E7=AB=AFnginx=E6=94=B9=E7=94=A8docker=E5=86=85=E5=B5=8CDNS?=
 =?UTF-8?q?=E8=BF=90=E8=A1=8C=E6=97=B6=E8=A7=A3=E6=9E=90=E5=90=8E=E7=AB=AF?=
 =?UTF-8?q?=E5=9C=B0=E5=9D=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

避免jeecg-boot-system容器重启换IP后nginx缓存旧IP导致502需手动重启，
用rewrite保留/jeecgboot/->/jeecg-boot/路径映射。

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 jeecgboot-vue3/Dockerfile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/jeecgboot-vue3/Dockerfile b/jeecgboot-vue3/Dockerfile
index 742c1173f..b42385a06 100644
--- a/jeecgboot-vue3/Dockerfile
+++ b/jeecgboot-vue3/Dockerfile
@@ -4,8 +4,12 @@ VOLUME /tmp
 ENV LANG en_US.UTF-8
 RUN echo "server {  \
                       listen       80; \
+                      #使用docker内嵌DNS运行时解析，避免后端容器重启换IP后nginx缓存旧IP导致502 \
+                      resolver 127.0.0.11 valid=10s ipv6=off; \
                       location   /jeecgboot/ { \
-                      proxy_pass              http://jeecg-boot-system:8080/jeecg-boot/; \
+                      set \$jeecg_system jeecg-boot-system; \
+                      rewrite ^/jeecgboot/?(.*)\$ /jeecg-boot/\$1 break; \
+                      proxy_pass              http://\$jeecg_system:8080; \
                       proxy_redirect          off; \
                       proxy_set_header        Host jeecg-boot-system; \
                       proxy_set_header        X-Real-IP \$remote_addr; \