MNT Remove Python 3.8 since it's end of life #318

	name: Test Docker images (on PR)

	on:
	pull_request:
	paths:
	# Run only when DockerFile files are modified
	- "docker/**"
	jobs:
	get_changed_files:
	name: "Build all modified docker images"
	runs-on: ubuntu-latest
	outputs:
	matrix: ${{ steps.set-matrix.outputs.matrix }}
	steps:
	- name: Check out code
	uses: actions/checkout@v3
	- name: Get changed files
	id: changed-files
	uses: tj-actions/changed-files@1c8e6069583811afb28f97afeaf8e7da80c6be5c #v42
	with:
	files: docker/**
	json: "true"
	- name: Run step if only the files listed above change
	if: steps.changed-files.outputs.any_changed == 'true'
	id: set-matrix
	env:
	ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
	run: \|
	echo "matrix=${{ steps.changed-files.outputs.all_changed_files}}" >> $GITHUB_OUTPUT
	build_modified_files:
	needs: get_changed_files
	name: Build Docker images on modified files
	runs-on: ubuntu-latest
	if: ${{ needs.get_changed_files.outputs.matrix }} != ''
	strategy:
	fail-fast: false
	matrix:
	docker-file: ${{ fromJson(needs.get_changed_files.outputs.matrix) }}
	steps:
	- name: Cleanup disk
	run: \|
	sudo ls -l /usr/local/lib/
	sudo ls -l /usr/share/
	sudo du -sh /usr/local/lib/
	sudo du -sh /usr/share/
	sudo rm -rf /usr/local/lib/android
	sudo rm -rf /usr/share/dotnet
	sudo du -sh /usr/local/lib/
	sudo du -sh /usr/share/
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	- name: Check out code
	uses: actions/checkout@v3
	- name: Build Docker image
	uses: docker/build-push-action@v4
	with:
	file: ${{ matrix.docker-file }}
	context: .
	push: False

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