Python Multiversion base image

This builds a Docker image with the following python versions available:

They are available with the following names inside the container:

The image is based on Ubuntu (latest).

The purpose is to test software against multiple versions of Python using a tool such as tox (https://github.com/tox-dev/tox).

Building

Make a test script to run inside this environment, for example:

#!/usr/bin/env bash

# set up
pip install --no-cache tox

# run
tox

Run a container from this image, mounting your source code and test script, and run:

docker run --rm \
   -v $(shell pwd):/code \
   -w /code \
   python-multiversion:1.0.1 \
   ./test.sh