From dd1c8e7ef6b8aedb8b645aa1a5684a31d93a36de Mon Sep 17 00:00:00 2001
From: yoge <yogecoder@gmail.com>
Date: Tue, 31 Mar 2026 21:47:35 +0800
Subject: [PATCH] fix: add gcc via aliyun mirror for CGO build in
 golang:1.23-alpine

---
 Dockerfile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index a0e5046..cc5369e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,9 @@ ENV GOSUMDB=off
 
 
 # Build binary (CGO required for go-fitz/MuPDF bundled static libs)
-RUN go mod download && \
+RUN sed -i 's|https://dl-cdn.alpinelinux.org|https://mirrors.aliyun.com|g' /etc/apk/repositories && \
+    apk add --no-cache gcc musl-dev && \
+    go mod download && \
     CGO_ENABLED=1 GOOS=linux go build -ldflags="-s -w" -o doc_ai ./main.go
 
 # Runtime stage