# 使用多阶段构建
FROM node:18-alpine as node-builder
WORKDIR /app
COPY package*.json ./
RUN npm install --production
COPY . .

FROM python:3.9-slim
WORKDIR /app

# 复制Node.js环境和代码
COPY --from=node-builder /app /app

# 安装Python依赖
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# 设置环境变量
ENV NODE_ENV=production
ENV PORT=3099
EXPOSE 7860 3099

# 启动命令
CMD streamlit run streamlit_app.py --server.port=7860 --server.address=0.0.0.0