FROM python:3.10-slim

# Add system dependencies for OpenCV, face recognition, and build tools
RUN apt-get update && apt-get install -y \
    # OpenCV dependencies
    libgl1-mesa-glx \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libgomp1 \
    # Build dependencies for dlib
    cmake \
    build-essential \
    libopenblas-dev \
    liblapack-dev \
    libx11-dev \
    libgtk-3-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt .
# Install non-PyTorch packages first
RUN pip install --no-cache-dir fastapi uvicorn[standard] numpy pillow matplotlib motor opencv-python-headless dlib face_recognition
# Install PyTorch packages from specific index
RUN pip install --no-cache-dir --index-url https://download.pytorch.org/whl/cpu torch torchvision

COPY . .

EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]