Update Dockerfile

Dockerfile

@@ -1,16 +1,29 @@
 # Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
 # you will also find guides on how best to write your Dockerfile
 
-FROM python:3.9
 
-RUN useradd -m -u 1000 user
-USER user
-ENV PATH="/home/user/.local/bin:$PATH"
+# 使用多阶段构建
+# 阶段 1：构建前端
+FROM node:16 AS frontend-build
+WORKDIR /app/frontend
+COPY frontend/package*.json ./
+RUN npm install
+COPY frontend/ .
+RUN npm run build
 
+# 阶段 2：运行后端 + 提供前端静态资源
+FROM python:3.9
 WORKDIR /app
 
-COPY --chown=user ./requirements.txt requirements.txt
-RUN pip install --no-cache-dir --upgrade -r requirements.txt
+# 后端依赖
+COPY backend/requirements.txt ./backend/requirements.txt
+RUN pip install -r backend/requirements.txt
+
+# 拷贝后端代码
+COPY backend/ ./backend/
+
+# 拷贝前端打包好的静态资源
+COPY --from=frontend-build /app/frontend/dist ./frontend_dist
 
-COPY --chown=user . /app
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+# 启动命令：运行后端，同时提供静态文件
+CMD ["uvicorn", "backend.app:app", "--host", "0.0.0.0", "--port", "8000"]