FROM python:3.11-slim

WORKDIR /app

# Install system dependencies for OpenCV
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 \
    libglib2.0-0 \
    git \
    && rm -rf /var/lib/apt/lists/*

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

# Copy requirements and install
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY component_detection/ ./component_detection/
COPY checkpoint_best_ema.pth .

# Set environment variables
ENV MODEL_PATH=/app/checkpoint_best_ema.pth
ENV HOST=0.0.0.0
ENV PORT=7860

EXPOSE 7860

CMD ["python", "-m", "uvicorn", "component_detection.main:app", "--host", "0.0.0.0", "--port", "7860"]