FROM python:3.11-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends     gcc     && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

# Install CPU-only PyTorch first (smaller)
RUN pip install --no-cache-dir torch --index-url https://download.pytorch.org/whl/cpu

# Install remaining dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY app/ ./app/
COPY src/ ./src/
COPY results/ ./results/
COPY app_wrapper.py .

# Create models directory (will be populated at runtime)
RUN mkdir -p models

# HF Spaces expects port 7860
EXPOSE 7860

# Run the wrapper that downloads models then starts uvicorn
CMD ["python", "app_wrapper.py"]