Dockerfile

# Dockerfile base from https://github.com/michaeloliverx/python-poetry-docker-example

# Creating a python base with shared environment variables
FROM python:3.9 as python-base
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=off \
    PIP_DISABLE_PIP_VERSION_CHECK=on \
    PIP_DEFAULT_TIMEOUT=100 \
    POETRY_HOME="/opt/poetry" \
    POETRY_VIRTUALENVS_IN_PROJECT=true \
    POETRY_NO_INTERACTION=1 \
    PYSETUP_PATH="/opt/pysetup" \
    VENV_PATH="/opt/pysetup/.venv"

ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"


# builder-base is used to build dependencies
FROM python-base as builder-base
RUN apt-get update \
    && apt-get install --no-install-recommends -y \
        curl \
        build-essential

# Install Poetry - respects $POETRY_VERSION & $POETRY_HOME
ENV POETRY_VERSION=1.1.12
RUN curl -sSL https://install.python-poetry.org | python3 -

# We copy our Python requirements here to cache them
# and install only runtime deps using poetry
WORKDIR $PYSETUP_PATH
COPY ./poetry.lock ./pyproject.toml ./
RUN poetry install --no-dev



# 'production' stage uses the clean 'python-base' stage and copyies
# in only our runtime deps that were installed in the 'builder-base'
FROM python-base as production

COPY --from=builder-base $VENV_PATH $VENV_PATH

# setup cronjob
RUN apt-get update \
    && apt-get install --no-install-recommends -y \
        cron
COPY ./cronjobs /etc/cron.d/cronjobs
RUN chmod 0644 /etc/cron.d/cronjobs
RUN crontab /etc/cron.d/cronjobs

# copy entrypoint
COPY ./entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

# copy project dir
COPY ./src /src
WORKDIR /src

ENTRYPOINT ["/entrypoint.sh"]