Dockerfile.distroless3.9

#! /bin/bash
ARG DISTRO

FROM python:3.9.15-bullseye AS base

# Meta arguments
ARG PYTHON_VERSION=3.9.16
ARG PYTHON_VERSION_MAJOR=3.9
ARG POETRY_VERSION=1.3.0

ARG ADD_OS_BUILD_PACKAGES=""
ARG OS_BUILD_PACKAGES="curl gcc build-essential python3-dev ${ADD_OS_BUILD_PACKAGES}"
ARG ADD_ENV_VARS=""

# Setup env
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PYTHONFAULTHANDLER=1
ENV PIP_DISABLE_PIP_VERSION_CHECK=1 
ENV PIP_NO_CACHE_DIR=1 
ENV DEBIAN_FRONTEND=noninteractive

ENV PYTHON_VERSION=${PYTHON_VERSION}


ENV VIRTUAL_ENV=/.venv

# Dependencies
FROM base AS python-deps

### Install pipenv and compilation dependencies
RUN apt-get update && apt-get upgrade -y \
    && apt-get install -y --no-install-recommends ${OS_BUILD_PACKAGES}\
    && apt-get autoremove --purge && apt-get clean && rm -rf /var/lib/apt/lists/* \
    && python3 -m venv $VIRTUAL_ENV

ENV PATH="$VIRTUAL_ENV/bin:$PATH"

RUN pip install --upgrade pip \
    && pip install --ignore-installed "poetry==${POETRY_VERSION}"

COPY pyproject.toml poetry.lock ./
RUN poetry export --no-ansi --no-interaction --without-hashes --format requirements.txt --output requirements.txt \
    && $VIRTUAL_ENV/bin/pip install --pre -r requirements.txt

# Runtime
FROM ${DISTRO} as final

ENV PATH="$VIRTUAL_ENV/bin:$PATH"

WORKDIR /app

COPY --from=python-deps /.venv/lib/python3.9/site-packages /app/site-packages
ENV PYTHONPATH /app/site-packages
COPY app/ /app
COPY models/ /app/models/

EXPOSE 8000

ENTRYPOINT ["python3"]