# Hugging Face Docker Space - Document Analyzer
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies required by some Python packages
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for Docker layer caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY app.py .
COPY static/ ./static/

# Create directories and set permissions for HF user (UID 1000)
RUN mkdir -p /tmp/streamlit && \
    chown -R 1000:1000 /app /tmp/streamlit

# Switch to non-root user (required by Hugging Face Spaces)
USER 1000

# Streamlit configuration for headless mode
ENV STREAMLIT_SERVER_HEADLESS=true
ENV STREAMLIT_SERVER_ENABLE_CORS=false
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0

# Hugging Face Spaces expects port 7860
EXPOSE 7860

# Run the Streamlit app on port 7860
CMD ["streamlit", "run", "app.py", "--server.port", "7860"]