From 9b33b3f4fb0fc7f30f8e2d26406c00ca60816892 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=A0=E6=96=8C?= <259278618@qq.com>
Date: Mon, 3 Aug 2026 14:18:48 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20Dockerfile=20=E6=8D=A2=E9=98=BF=E9=87=8C?=
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---
 Dockerfile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index e4d8c9d..40130ba 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,9 @@
 # 阶段1: 构建
 FROM golang:alpine AS builder
 
-RUN apk add --no-cache git ca-certificates tzdata
+# 换国内源，避免 apk 从官方源超时
+RUN sed -i 's|dl-cdn.alpinelinux.org|mirrors.aliyun.com|g' /etc/apk/repositories \
+    && apk add --no-cache git ca-certificates tzdata
 
 ENV TZ=Asia/Shanghai
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone