Adding ruff validation to the project #124

	name: Python package

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version:
	- '3.8'
	- '3.9'
	- '3.10'
	- '3.11'
	- '3.12'
	services:
	postgres:
	image: postgres:14-alpine
	env:
	POSTGRES_USER: postgres
	POSTGRES_DB: postgres
	POSTGRES_PASSWORD: cities_light
	ports:
	- 5432:5432
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	mysql:
	image: mysql
	ports:
	- 3306:3306
	env:
	MYSQL_ROOT_PASSWORD: cities_light
	steps:
	- uses: actions/checkout@v1
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox tox-gh-actions codecov
	- name: Test with tox
	run: tox -v
	env:
	DB_HOST: 127.0.0.1
	DB_PASSWORD: cities_light
	PGPASSWORD: cities_light
	- name: Codecov
	run: codecov

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