FROM python:3.11-slim

# Install system dependencies (required for TensorFlow compilation)
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    && rm -rf /var/lib/apt/lists/*

# Create user as required by Hugging Face Spaces
RUN useradd -m -u 1000 user
USER user

# Set PATH to include user's local bin
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

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

# Copy application files (as user)
COPY --chown=user . /app

# Set environment
ENV PYTHONUNBUFFERED=1
ENV PORT=7860

# Expose port (Hugging Face Spaces uses 7860)
EXPOSE 7860

# Run the app
CMD ["python", "app.py"]