Dockerfile

ARG PYTHON_VERSION="3.11"

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##
## Fat build image
##
FROM python:${PYTHON_VERSION} AS build
ARG POETRY_VERSION="1.6.1"
ENV POETRY_VIRTUALENVS_CREATE=false
RUN --mount=type=cache,target=/root/.cache \
    pip install poetry=="${POETRY_VERSION}"


WORKDIR /covid-19-puerto-rico
ENV VIRTUAL_ENV="/covid-19-puerto-rico/venv"
RUN python3 -m venv "${VIRTUAL_ENV}" \
 && rm "${VIRTUAL_ENV}"/bin/[Aa]ctivate*
ENV PATH="${VIRTUAL_ENV}/bin":$PATH

COPY --link pyproject.toml poetry.lock ./
RUN --mount=type=cache,target=/root/.cache \
    poetry export  \
      --without-hashes \
      -f requirements.txt >requirements.txt \
 && pip install -r requirements.txt


COPY --link src src
RUN --mount=type=cache,target=/root/.cache \
    poetry build \
 && pip install dist/covid_19_puerto_rico-*.whl \
 && pip uninstall --yes wheel setuptools pip


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##
## Slim app image
##
FROM python:${PYTHON_VERSION}-slim AS app
RUN pip uninstall --yes wheel setuptools pip

# The rclone packaged with the OS distribution is always hopelessly out
# of date, better to get it from the official rclone Docker images.
# See: https://github.com/rclone/rclone/issues/6060
COPY --link --from=rclone/rclone:1.61.1 \
    /usr/local/bin/rclone \
    /usr/local/bin/rclone

WORKDIR /covid-19-puerto-rico
ENV VIRTUAL_ENV="/covid-19-puerto-rico/venv"
COPY --link --from=build "${VIRTUAL_ENV}" "${VIRTUAL_ENV}"
ENV PATH="${VIRTUAL_ENV}/bin":$PATH

COPY --link config/environment.yaml environment.yaml
CMD ["covid19pr"]