pyenv in alpine docker

Dockerfile

ARG PYTHON_VERSION=3.7.0-alpine3.8

FROM python:${PYTHON_VERSION} as builder

RUN apk add --update make \ 
    cmake \
    g++

RUN apk add \
    git \
    bash \
    build-base \
    linux-headers \
    bzip2 \
    bzip2-dev \
    sqlite-dev \
    zlib-dev \
    curl \
    libffi-dev \
    ncurses-dev \
    openssl-dev \
    readline-dev \
    tk-dev \
    xz-dev \
    zlib-dev


RUN pip install pytest tox
RUN pip install tox-globinterpreter

ENV HOME  /root
ENV PYENV_ROOT $HOME/.pyenv
ENV PATH $PYENV_ROOT/shims:$PYENV_ROOT/bin:$PATH

RUN curl https://pyenv.run | bash
RUN pyenv install 3.5.6
RUN pyenv global 3.5.6
RUN pyenv install 3.6.8
RUN pyenv virtualenv -p python3.5 3.5.6 py35
RUN pyenv virtualenv -p python3.6 3.6.8 py36


WORKDIR /app
ENTRYPOINT [ "bash" ]