Dockerfile poetry template

Dockerfile

ARG PYTHON_VERSION=3.11.8
ARG PYTHON_DISTRO=slim-bullseye

FROM python:${PYTHON_VERSION}-${PYTHON_DISTRO} as base-image

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"

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

###############################################
# Builder Image
###############################################
FROM base-image as builder-base
RUN apt-get update \
    && apt-get install --no-install-recommends -y \
    curl \
    build-essential

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


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

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

###############################################
# Production Image
###############################################
FROM base-image as production
COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH

ARG PYTHONPATH=/service
ENV PYTHONPATH=$PYTHONPATH \
    POETRY_PROJECT_PATH=$PYTHONPATH/pyproject.toml
WORKDIR $PYTHONPATH
COPY . .