Dockerfile

FROM python:3.11-slim

WORKDIR /app

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

COPY . .

# HuggingFace Spaces uses port 7860
EXPOSE 7860

CMD ["streamlit", "run", "annotation_app.py", \
     "--server.port=7860", \
     "--server.address=0.0.0.0", \
     "--server.headless=true"]