FROM python:3.9-buster as wheelbuilder ARG MITMPROXY_WHEEL COPY $MITMPROXY_WHEEL /wheels/ RUN pip install wheel && pip wheel --wheel-dir /wheels /wheels/${MITMPROXY_WHEEL} FROM python:3.9-slim-buster RUN useradd -mU mitmproxy RUN apt-get update \ && apt-get install -y --no-install-recommends gosu \ && rm -rf /var/lib/apt/lists/* COPY --from=wheelbuilder /wheels /wheels RUN pip install --no-index --find-links=/wheels mitmproxy RUN rm -rf /wheels VOLUME /home/mitmproxy/.mitmproxy COPY docker-entrypoint.sh /usr/local/bin/ ENTRYPOINT ["docker-entrypoint.sh"] EXPOSE 8080 8081 CMD ["mitmproxy"]