ARG ARCH=amd64 FROM $ARCH/python:3.9-alpine EXPOSE 443 EXPOSE 5223 EXPOSE 8007 EXPOSE 8883 COPY requirements.txt /requirements.txt # install required python packages RUN pip3 install -r requirements.txt WORKDIR /bumper # Copy only required folders instead of all COPY bumper/ bumper/ ENTRYPOINT ["python3", "-m", "bumper"]