Dockerfile

FROM python:3.9 as base
MAINTAINER Benedikt Kristinsson <benedikt@lokun.is>

ENV DEBIAN_FRONTEND noninteractive
ENV TZ UTC
ENV TERM=xterm-256color

RUN useradd -u 1211 -ms /bin/bash zflux && \
        mkdir /zflux && \
        chown -R zflux. /zflux && \
        apt-get update && \
        apt-get install -y libzmq3-dev
RUN python -m pip install --upgrade pip
ENV PATH "/home/zflux/.local/bin:$PATH"
USER zflux

FROM base as builder

WORKDIR /zflux
RUN python -m pip install poetry

COPY .flake8 poetry.lock pyproject.toml /zflux/
RUN poetry install --no-interaction --ansi --no-root

# save the dependencies in a file so the
# final stage doesnt have to pip install them
# on each code change
RUN poetry export --without-hashes > /zflux/requirements.txt

COPY README.md /zflux/
COPY tests /zflux/tests/
COPY zflux /zflux/zflux/
COPY test-zflux-local.yml /zflux/test-zflux-local.yml

# should be in the jenkinsfile at some point

# this is shit
RUN poetry run pytest
RUN poetry run isort . --check || true
RUN poetry run flake8 || true

RUN poetry build --no-interaction --ansi


FROM base as final

COPY --from=builder /zflux/requirements.txt /zflux/
RUN python -m pip install -r /zflux/requirements.txt && \
        rm -v /zflux/requirements.txt

# COPY --from=builder /zflux/dist/zflux-*.tar.gz /zflux/dist/
# COPY --from=builder /zflux/dist/zflux-*.whl /zflux/dist/

COPY --chown=zflux:zflux --from=builder /zflux/dist /zflux/dist/

# testing using the .whl file
RUN python -m pip install /zflux/dist/zflux-*.whl && \
        rm -vrf /zlux/dist

HEALTHCHECK --start-period=5s --interval=15s --timeout=1s \
        CMD zf_ruok || exit 1

ENTRYPOINT ["zflux"]