From 37d54d9c9b1f2239270b457de475e54b36488d70 Mon Sep 17 00:00:00 2001
From: yml2213 <a2213290201@gmail.com>
Date: Mon, 1 Jun 2026 08:55:57 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0go=E7=9A=84=E9=95=9C=E5=83=8F?=
 =?UTF-8?q?=E5=8A=A0=E9=80=9F?=
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---
 backend/Dockerfile | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/backend/Dockerfile b/backend/Dockerfile
index 3a4803f..b5ef301 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,10 +1,19 @@
+# syntax=docker/dockerfile:1.7
+
 FROM golang:1.26-alpine AS build
 
 WORKDIR /src
+ARG GOPROXY=https://goproxy.cn,direct
+ARG GOSUMDB=sum.golang.google.cn
+ENV GOPROXY=${GOPROXY} \
+    GOSUMDB=${GOSUMDB}
+
 COPY go.mod go.sum* ./
-RUN go mod download
+RUN --mount=type=cache,target=/go/pkg/mod go mod download
 COPY . .
-RUN CGO_ENABLED=0 GOOS=linux go build -o /out/hfb-api ./cmd/api
+RUN --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    CGO_ENABLED=0 GOOS=linux go build -o /out/hfb-api ./cmd/api
 
 FROM alpine:3.22