Dockerfile

# inspired by https://sourcery.ai/blog/python-docker/
FROM ubuntu:20.04 as base
ENV LC_ALL C.UTF-8

# no .pyc files
ENV PYTHONDONTWRITEBYTECODE 1

# traceback on segfau8t
ENV PYTHONFAULTHANDLER 1

# use ipdb for breakpoints
ENV PYTHONBREAKPOINT=ipdb.set_trace

# common dependencies
RUN apt-get update -q \
 && DEBIAN_FRONTEND="noninteractive" \
    apt-get install -yq \
      # git-state
      git \
\
      # primary interpreter
      python3.9 \
\
      # for shelve
      python3.9-gdb \
\
      # redis-python
      redis \
\
      # for ray
      rsync \
\
 && apt-get clean

FROM base AS python-deps

# build dependencies
RUN apt-get update -q \
 && DEBIAN_FRONTEND="noninteractive" \
    apt-get install -yq \
\
      # required by poetry
      python3-pip \
\
      # required for redis
      gcc \
\
 && apt-get clean

WORKDIR "/deps"

COPY pyproject.toml poetry.lock typing-extensions.lock patch.py /deps/
RUN pip3 install poetry tomli tomli-w \
 && python3 patch.py \
 && poetry install


FROM base AS runtime

WORKDIR "/root"
ENV VIRTUAL_ENV=/root/.cache/pypoetry/virtualenvs/icpi-K3BlsyQa-py3.9
ENV PATH="$VIRTUAL_ENV/bin:$PATH"
COPY --from=python-deps $VIRTUAL_ENV $VIRTUAL_ENV
COPY . .

ENTRYPOINT ["python"]