From a80e80f17975b6b459518d0b4d7c8852d35d3313 Mon Sep 17 00:00:00 2001
From: Developer <developer@rwadurian.com>
Date: Wed, 3 Dec 2025 17:38:43 -0800
Subject: [PATCH] =?UTF-8?q?perf(mpc-system):=20=E6=B7=BB=E5=8A=A0=20Alpine?=
 =?UTF-8?q?=20=E9=95=9C=E5=83=8F=E5=8A=A0=E9=80=9F=E9=85=8D=E7=BD=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

为所有 Dockerfile 的 builder 和 final 阶段添加阿里云镜像源：
- 使用 mirrors.aliyun.com 替代 dl-cdn.alpinelinux.org
- 显著加速中国区 Docker 构建中的 apk 包下载

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 backend/mpc-system/services/account/Dockerfile             | 6 ++++++
 backend/mpc-system/services/message-router/Dockerfile      | 6 ++++++
 backend/mpc-system/services/server-party/Dockerfile        | 6 ++++++
 backend/mpc-system/services/session-coordinator/Dockerfile | 6 ++++++
 4 files changed, 24 insertions(+)

diff --git a/backend/mpc-system/services/account/Dockerfile b/backend/mpc-system/services/account/Dockerfile
index 9706adab..f90d2d4d 100644
--- a/backend/mpc-system/services/account/Dockerfile
+++ b/backend/mpc-system/services/account/Dockerfile
@@ -1,6 +1,9 @@
 # Build stage
 FROM golang:1.21-alpine AS builder
 
+# Use Aliyun mirror for Alpine packages (China acceleration)
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
 RUN apk add --no-cache git ca-certificates
 
 # Set Go proxy for China
@@ -23,6 +26,9 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
 # Final stage
 FROM alpine:3.18
 
+# Use Aliyun mirror for Alpine packages (China acceleration)
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
 RUN apk --no-cache add ca-certificates curl
 RUN adduser -D -s /bin/sh mpc
 
diff --git a/backend/mpc-system/services/message-router/Dockerfile b/backend/mpc-system/services/message-router/Dockerfile
index 597c9d19..2ab5be2b 100644
--- a/backend/mpc-system/services/message-router/Dockerfile
+++ b/backend/mpc-system/services/message-router/Dockerfile
@@ -1,6 +1,9 @@
 # Build stage
 FROM golang:1.21-alpine AS builder
 
+# Use Aliyun mirror for Alpine packages (China acceleration)
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
 RUN apk add --no-cache git ca-certificates
 
 # Set Go proxy for China
@@ -23,6 +26,9 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
 # Final stage
 FROM alpine:3.18
 
+# Use Aliyun mirror for Alpine packages (China acceleration)
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
 RUN apk --no-cache add ca-certificates curl
 RUN adduser -D -s /bin/sh mpc
 
diff --git a/backend/mpc-system/services/server-party/Dockerfile b/backend/mpc-system/services/server-party/Dockerfile
index 44439963..c2b2a5f0 100644
--- a/backend/mpc-system/services/server-party/Dockerfile
+++ b/backend/mpc-system/services/server-party/Dockerfile
@@ -1,6 +1,9 @@
 # Build stage
 FROM golang:1.21-alpine AS builder
 
+# Use Aliyun mirror for Alpine packages (China acceleration)
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
 RUN apk add --no-cache git ca-certificates
 
 # Set Go proxy for China
@@ -23,6 +26,9 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
 # Final stage
 FROM alpine:3.18
 
+# Use Aliyun mirror for Alpine packages (China acceleration)
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
 RUN apk --no-cache add ca-certificates curl
 RUN adduser -D -s /bin/sh mpc
 
diff --git a/backend/mpc-system/services/session-coordinator/Dockerfile b/backend/mpc-system/services/session-coordinator/Dockerfile
index 6e15cce6..d8c17735 100644
--- a/backend/mpc-system/services/session-coordinator/Dockerfile
+++ b/backend/mpc-system/services/session-coordinator/Dockerfile
@@ -1,6 +1,9 @@
 # Build stage
 FROM golang:1.21-alpine AS builder
 
+# Use Aliyun mirror for Alpine packages (China acceleration)
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
 # Install dependencies
 RUN apk add --no-cache git ca-certificates
 
@@ -30,6 +33,9 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
 # Final stage
 FROM alpine:3.18
 
+# Use Aliyun mirror for Alpine packages (China acceleration)
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
 # Install ca-certificates and curl for HTTPS and health check
 RUN apk --no-cache add ca-certificates curl