ARG PYTHON_IMAGE=python:3.14-slim
FROM ${PYTHON_IMAGE}

RUN pip install --no-cache-dir docker

ARG DOCKER_VERSION
RUN apt-get update && apt-get install -y --no-install-recommends curl ca-certificates \
    && curl -fsSL "https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_VERSION}.tgz" \
    | tar xz -C /usr/local/bin --strip-components=1 docker/docker \
    && apt-get purge -y curl ca-certificates && apt-get autoremove -y \
    && rm -rf /var/lib/apt/lists/*

COPY src/dnc /opt/dnc/lib/dnc
ENV PYTHONPATH=/opt/dnc/lib
ENTRYPOINT ["python3", "-m", "dnc"]