From 5f83d6e65059552e6e234b0db98bc36db678b6eb Mon Sep 17 00:00:00 2001
From: attacker <attacker@gitee.com>
Date: Sat, 27 Jun 2026 02:03:34 +0000
Subject: [PATCH] =?UTF-8?q?perf:=20Docker=20build=20=E6=8F=90=E9=80=9F=20?=
 =?UTF-8?q?=E2=80=94=20=E5=8E=BB=20gcc/musl-dev=20+=20CGO=5FENABLED=3D0=20?=
 =?UTF-8?q?+=20cache=20mount?=
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- 移除 gcc musl-dev (纯 Go SQLite 不需要 CGO)
- CGO_ENABLED=1 → 0 (编译提速 ~2-3x)
- go mod download/go build 加 --mount=type=cache 跨构建复用
---
 Dockerfile.embed | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/Dockerfile.embed b/Dockerfile.embed
index f357add..5c5b579 100644
--- a/Dockerfile.embed
+++ b/Dockerfile.embed
@@ -38,18 +38,21 @@ ARG TARGETARCH
 
 WORKDIR /app
 
-# Alpine 镜像源探测（清华 403 时自动回退阿里云/官方）// Logan.Li
+# 安装构建依赖（纯 Go SQLite 无需 gcc/musl-dev）// Logan.Li
 COPY scripts/setup-alpine-mirrors.sh /tmp/setup-alpine-mirrors.sh
 RUN chmod +x /tmp/setup-alpine-mirrors.sh && /tmp/setup-alpine-mirrors.sh && \
-    apk add --no-cache git ca-certificates tzdata gcc musl-dev
+    apk add --no-cache git ca-certificates tzdata
 
 ENV TZ=Asia/Shanghai
 ENV GOPROXY=https://goproxy.cn,direct
 ENV GONOSUMCHECK=*
+ENV GOMODCACHE=/go/pkg/mod
+ENV GOCACHE=/root/.cache/go-build
 
 # 复制后端 go.mod（利用 Docker 层缓存）
 COPY backend/go.mod backend/go.sum ./
-RUN go mod download
+RUN --mount=type=cache,target=/go/pkg/mod \
+    go mod download
 
 # 复制后端源码
 COPY backend/ ./
@@ -58,8 +61,10 @@ COPY backend/ ./
 RUN rm -rf static && mkdir -p static
 COPY --from=frontend-builder /app/dist/ static/
 
-# 构建后端二进制（跟随 TARGETARCH，Mac ARM 构建 linux/arm64 避免 CGO 交叉编译失败）// Logan.Li
-RUN CGO_ENABLED=1 GOOS=linux GOARCH=${TARGETARCH} go build \
+# 构建后端二进制（纯 Go 无 CGO，cache mount 增量编译）// Logan.Li
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg/mod \
+    CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH} go build \
     -ldflags="-w -s -X main.Version=${VERSION} -X main.BuildTime=${BUILD_TIME} -X main.GitCommit=${GIT_COMMIT}" \
     -o aiops .