Dockerfile

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# Base Image
###############################################
FROM --platform=amd64 python:3.10.4-slim as python-base

ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV PIP_NO_CACHE_DIR=off
ENV PIP_DISABLE_PIP_VERSION_CHECK=on
ENV PIP_DEFAULT_TIMEOUT=100
ENV POETRY_VERSION=1.1.13
ENV POETRY_HOME="/opt/poetry"
ENV POETRY_VIRTUALENVS_IN_PROJECT=true
ENV POETRY_NO_INTERACTION=1
ENV PYSETUP_PATH="/opt/pysetup"
ENV VENV_PATH="/opt/pysetup/.venv"

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

###############################################
# Builder Image
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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
RUN curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | python

# copy project requirement files here to ensure they will be cached.
WORKDIR $PYSETUP_PATH
COPY poetry.lock pyproject.toml ./

# install runtime deps - uses $POETRY_VIRTUALENVS_IN_PROJECT internally
RUN poetry install --no-dev


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# Production Image
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FROM python-base as production
COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
COPY . /source/