Update README.md. #28

	name: test & lint
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	test-lint:
	name: Test and Lint
	runs-on: ubuntu-20.04
	steps:
	- name: Login to Docker Hub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKERHUB_USER }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	- name: Checkout
	uses: actions/checkout@v2
	- name: Lint
	run: >
	docker-compose --env-file .dev.env run --rm django sh -c
	"cd backend && pylint src
	--rcfile=/home/backend-user/app/.pylintrc
	--load-plugins pylint_django
	--django-settings-module=config.settings
	--output-format=colorized"
	- name: Run tests and measure code coverage
	run: >
	docker-compose --env-file .dev.env
	run --rm django sh -c "python ./backend/manage.py wait_for_db &&
	coverage run -m pytest ./backend"
	- name: Publish coverage results via coveralls.io.
	run: >
	echo "COVERALLS_REPO_TOKEN=${{secrets.COVERALLS_REPO_TOKEN}}" >> .dev.env &&
	docker-compose --env-file .dev.env
	run --rm django sh -c "coveralls"

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