FROM python:3.7.10-buster AS base

RUN apt-get update \
  && apt-get install --assume-yes \
    poppler-utils \
  && rm -rf /var/lib/apt/lists/*

ENV PROJECT_FOLDER=/srv/sciencebeam-gym
WORKDIR ${PROJECT_FOLDER}


# builder
FROM base AS builder

COPY requirements.build.txt ./
RUN pip install --disable-pip-version-check --no-warn-script-location --user \
  -r requirements.build.txt

COPY requirements.prereq.txt requirements.txt ./
RUN pip install --disable-pip-version-check --no-warn-script-location --user \
  -r requirements.prereq.txt \
  -r requirements.txt

RUN python -m nltk.downloader punkt


# dev image
FROM builder AS dev

COPY requirements.dev.txt ./
RUN pip install --disable-pip-version-check --no-warn-script-location --user \
  -r requirements.dev.txt

COPY sciencebeam_gym ./sciencebeam_gym
COPY tests ./tests
COPY *.conf *.sh *.in *.txt *.py .pylintrc .flake8 pytest.ini ./


# runtime image
FROM base AS runtime

COPY --from=builder /root/.local /root/.local
COPY --from=builder /root/nltk_data /root/nltk_data

COPY sciencebeam_gym ./sciencebeam_gym
COPY *.conf *.sh *.in *.txt *.py ./

COPY scripts ./scripts
ENV PATH ${PROJECT_FOLDER}/scripts:$PATH