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# Use official Python image
FROM python:3.10-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

# Create a non-root user for security (required by HF Spaces)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Set working directory
WORKDIR $HOME/app

# Copy requirements and install
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy project files
COPY --chown=user . .

# Expose port (HF Spaces uses 7860)
EXPOSE 7860

# Healthcheck
HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health

# Run the app
CMD ["streamlit", "run", "app.py", "--server.port", "7860", "--server.address", "0.0.0.0"]