FROM python:3.10-slim

WORKDIR /code

# Install minimal system dependencies + GPU support
RUN apt-get update && apt-get install -y \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    && rm -rf /var/lib/apt/lists/*

# Set environment variables for better performance
ENV MPLCONFIGDIR=/tmp/matplotlib
ENV PYTHONUNBUFFERED=1
ENV NUMBA_CACHE_DIR=/tmp/numba_cache


# Copy requirements and install Python packages
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
RUN mkdir -p /tmp/numba_cache && chmod -R 777 /tmp/numba_cache

# Copy application code
COPY . .

# Expose port 7860 (HF Spaces standard)
EXPOSE 7860

# Run the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]