fix

excalidraw-complete.Dockerfile

@@ -1,14 +1,35 @@
-FROM golang:alpine as builder
+# 前端构建阶段
+FROM node:18 AS frontend-builder
+WORKDIR /app
+# 复制 excalidraw 子模块
+COPY excalidraw/ ./excalidraw/
+# 复制补丁文件
+COPY frontend.patch ./
+# 应用前端补丁
+RUN cd excalidraw && git apply ../frontend.patch
+# 构建前端
+RUN cd excalidraw && npm install && cd excalidraw-app && npm run build:app:docker
+
+# 后端构建阶段
+FROM golang:alpine AS backend-builder
 RUN apk update && apk add --no-cache git
 WORKDIR /app
-COPY go.mod ./
+# 复制 Go 模块文件
+COPY go.mod go.sum ./
 RUN GOPROXY=direct go mod download
+# 复制源代码
 COPY . .
+# 复制前端构建文件到正确位置，以便 Go embed 可以找到
+COPY --from=frontend-builder /app/excalidraw/excalidraw-app/build ./frontend/
+# 构建 Go 应用
 RUN GOPROXY=direct CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main .
 
-FROM alpine
+# 最终运行镜像
+FROM alpine:latest
+RUN apk --no-cache add ca-certificates
 WORKDIR /root/
-COPY --from=builder /app/main .
-# COPY --from=builder /app/.env .
+# 复制后端二进制文件（已包含嵌入的前端文件）
+COPY --from=backend-builder /app/main .
+# 暴露端口
 EXPOSE 3002
 CMD ["./main"]