FROM ghcr.io/sagernet/sing-box:v1.10.7 AS sing-box FROM python:3.10.16-alpine3.21 COPY --from=sing-box /usr/local/bin/sing-box /bin/sing-box RUN pip install --no-cache-dir tldextract WORKDIR /app COPY convert.py /app/convert.py CMD ["python3", "convert.py"]