From 81648de16f3c5c5f8d5f3107a111f723acad052f Mon Sep 17 00:00:00 2001
From: xfy <i@rua.plus>
Date: Sun, 5 Jul 2026 21:57:44 +0800
Subject: [PATCH] =?UTF-8?q?fix(docker):=20runner-base=20=E5=88=87=E6=8D=A2?=
 =?UTF-8?q?=20apk=20=E6=BA=90=E4=B8=BA=E6=B8=85=E5=8D=8E=E9=95=9C=E5=83=8F?=
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国内访问 dl-cdn.alpinelinux.org 经常超时，导致 apk add python3/nodejs 失败
（'temporary error' / 'no such package'）。在基础镜像里用 sed 把 apk repositories
指向 mirrors.tuna.tsinghua.edu.cn，python/node 镜像 FROM base 自动继承，无需重复修改。
---
 docker/runner-base/Dockerfile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docker/runner-base/Dockerfile b/docker/runner-base/Dockerfile
index 75297c3..fd5d9b5 100644
--- a/docker/runner-base/Dockerfile
+++ b/docker/runner-base/Dockerfile
@@ -3,7 +3,9 @@
 # 与 src/infra/docker.rs 的 user: "1000:1000"、working_dir: "/code" 对齐。
 FROM alpine:3.18
 
-RUN addgroup -S runner && adduser -S runner -G runner -u 1000 \
+# 替换为国内镜像源，避免 apk 拉取 dl-cdn.alpinelinux.org 失败。
+RUN sed -i 's|dl-cdn.alpinelinux.org|mirrors.tuna.tsinghua.edu.cn|g' /etc/apk/repositories \
+    && addgroup -S runner && adduser -S runner -G runner -u 1000 \
     && mkdir -p /code \
     && chown -R runner:runner /code