Starter template for tox when using docker-compose to set up dependent systems

tox.ini

[tox]
minversion = 3.24
envlist = py{39}-{mac,wsl}
skipsdist = True

[flake8]
exclude = .git,.tox,dist,doc,*lib/python*,*egg,build

[testenv]
allowlist_externals =
    docker
    docker-compose
    flake8
    black
    sh
    poetry

skip_install = True
usedevelop = True
platform =
    wsl: linux
    mac: darwin

setenv =
    PYTHONPATH=source/

commands_pre =
    docker-compose up -d

commands =
    poetry install
    flake8 -v
    poetry run pytest -vv --cov=source test
    black -l 79 .

commands_post =
    docker-compose down