# Nexus-Nano Inference - Fixed for Manual Model Upload
# Ultra Lightweight

FROM python:3.10-slim

WORKDIR /app

# System dependencies
RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*

# Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application
COPY app.py .

# Model is already uploaded to /app/models/ by HF Spaces
# No download needed!

EXPOSE 7860

# Environment variables
ENV PYTHONUNBUFFERED=1
ENV OMP_NUM_THREADS=2
ENV ONNXRUNTIME_EXECUTION_MODE=sequential

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

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