update README #20

	name: Docker

	on: [push, pull_request]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	docker-build-and-test:
	if: github.event_name != 'pull_request' \|\| github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
	name: Build and Test - ${{ matrix.dockerfile }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	dockerfile:
	- Dockerfile
	- Dockerfile.coverage
	- Dockerfile.llvm
	- Dockerfile.memcheck
	- Dockerfile.no_json
	- Dockerfile.nvhpc
	- Dockerfile.openmp
	# - Dockerfile.intel # intel image is too large for GH action
	# - Dockerfile.mpi
	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	submodules: recursive

	- name: Build Docker image
	run: docker build -t micm -f docker/${{ matrix.dockerfile }} .

	- name: Run tests in container
	if: matrix.dockerfile != 'Dockerfile.coverage'
	run: docker run --name test-container -t micm bash -c 'make test ARGS="--rerun-failed --output-on-failure -j8"'

	- name: Run coverage tests in container
	if: matrix.dockerfile == 'Dockerfile.coverage'
	run: docker run --name test-container -t micm bash -c 'make coverage ARGS="--rerun-failed --output-on-failure -j8"'

	- name: Copy coverage from container
	if: matrix.dockerfile == 'Dockerfile.coverage'
	run: docker cp test-container:build/coverage.info .

	- name: Upload coverage report
	if: matrix.dockerfile == 'Dockerfile.coverage'
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	files: coverage.info

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