FROM python:3.13-slim

WORKDIR /app

# 安装基础工具
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

# 1. 拷贝 requirements 并安装
COPY requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

# ==========================================
# 👇 关键修改：显式拷贝数据文件到容器根目录 (/app)
# 注意：文件必须位于 Space 仓库的根目录下
COPY comsol_embedded.parquet .
# ==========================================

# 2. 再拷贝源代码到 /app/src
COPY src/ ./src/

# 暴露端口
EXPOSE 8501

# 健康检查
HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health

# 启动命令
ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]