From c7df895bbbcd2f3c2a902a2ec854e0da1ddf21c8 Mon Sep 17 00:00:00 2001
From: 82030615 <82030615@qq.com>
Date: Mon, 21 Sep 2026 20:20:54 +0700
Subject: [PATCH] build(docker): apply the apk mirror swap to the runner stage

- Add apk mirror swap to mirrors.aliyun.com at the top of runner stage
- Prevents docker build hanging when dl-cdn.alpinelinux.org is unreachable
---
 Dockerfile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index dfcee598..547be9dd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,6 +18,10 @@ RUN npm run build
 
 FROM ${NODE_IMAGE} AS runner
 WORKDIR /app
+# The base stage's mirror swap does not reach here: runner starts from
+# ${NODE_IMAGE} directly, so the apk upgrade below would go to
+# dl-cdn.alpinelinux.org and hang forever on networks that cannot reach it.
+RUN sed -i 's|dl-cdn.alpinelinux.org|mirrors.aliyun.com|g' /etc/apk/repositories
 
 LABEL org.opencontainers.image.title="9router"