# ========== Stage 1: extract sing-box binary ==========
FROM ghcr.io/sagernet/sing-box:latest AS sb-bin
# ========== Stage 2: slim Python runtime + entrypoint.py ==========
FROM python:3.13-slim
RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates && \
    rm -rf /var/lib/apt/lists/* && \
    pip install --no-cache-dir pyyaml
COPY --from=sb-bin /usr/local/bin/sing-box /usr/local/bin/sing-box
RUN chmod +x /usr/local/bin/sing-box
WORKDIR /src
COPY . .
ENTRYPOINT ["python3", "entrypoint.py"]