FROM ubuntu:focal

RUN : \

&& apt-get update \

&& DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \

python3 \

python3-distutils \

python3-venv \

&& apt-get clean \

&& rm -rf /var/lib/apt/lists/*

ENV LANG=C.UTF-8 PATH=/venv/bin:$PATH

RUN : \

&& python3 -mvenv /venv \

&& pip install --no-cache-dir pip setuptools wheel no-manylinux --upgrade