Dockerfile

###############################################
# Base Image
###############################################
FROM python:3.9-slim as python-base

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=off \
    PIP_DISABLE_PIP_VERSION_CHECK=on \
    PIP_DEFAULT_TIMEOUT=100 \
    POETRY_VERSION=1.2.2  \
    POETRY_HOME="/opt/poetry" \
    POETRY_VIRTUALENVS_IN_PROJECT=true \
    POETRY_NO_INTERACTION=1 \
    PYSETUP_PATH="/opt/pysetup" \
    VENV_PATH="/opt/pysetup/.venv"

# prepend poetry and venv to path
ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"

###############################################
# Builder Image
###############################################
FROM python-base as builder-base
RUN apt-get update \
    && apt-get install -y make git curl less emacs \
    && apt-get install --no-install-recommends -y \
    build-essential


# install poetry - respects $POETRY_VERSION & $POETRY_HOME
RUN curl -sSL https://install.python-poetry.org | python

# copy project requirement files here to ensure they will be cached.
WORKDIR src
COPY Makefile pyproject.toml poetry.lock README.md ./
COPY . .

CMD poetry install