Fix Dockerfile link in readme #515

	name: Tests

	on:
	push:
	pull_request:

	jobs:
	test:
	strategy:
	fail-fast: false
	matrix:
	python-version: [ '3.9', '3.10', '3.11', '3.12' ]

	runs-on: ubuntu-latest
	container:
	image: "docker.io/library/python:${{ matrix.python-version }}-bookworm"
	# cgroupns needed to address the following error:
	# write /sys/fs/cgroup/cgroup.subtree_control: operation not supported
	options: --privileged --cgroupns=host
	steps:
	- uses: actions/checkout@v4
	- name: Install dependencies
	run: \|
	set -e
	apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y podman
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install -r test-requirements.txt
	- name: Run integration tests
	run: \|
	python -m unittest discover -v tests/integration
	env:
	TESTS_DEBUG: 1
	- name: Run unit tests
	run: \|
	coverage run --source podman_compose -m unittest discover tests/unit
	- name: Report coverage
	run: \|
	coverage combine
	coverage report --format=markdown \| tee -a $GITHUB_STEP_SUMMARY

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