FROM python:3.10-slim

WORKDIR /app

# System deps for Detectron2
RUN apt-get update && apt-get install -y \
    git git-lfs ffmpeg libsm6 libxext6 libgl1 curl \
    build-essential cmake ninja-build \
    && rm -rf /var/lib/apt/lists/* \
    && git lfs install

# PyTorch
RUN pip install --no-cache-dir torch==2.0.1 torchvision==0.15.2

# Detectron2 from source
RUN pip install --no-cache-dir git+https://github.com/facebookresearch/detectron2.git

# Other deps with fixed NumPy version
RUN pip install --no-cache-dir \
    gradio>=4.0.0 \
    opencv-python-headless \
    "numpy<2" \
    Pillow \
    fvcore \
    iopath \
    pyyaml \
    tqdm \
    huggingface_hub

COPY . /app

EXPOSE 7860

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