Add publish action for release tag #25

	name: Builds CMS AOD images
	# These actions need some more work. It would be good to parameterize
	# the CMS Base version, and to have a way to build the
	# images to specific versions

	on:
	push:

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/[email protected]

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Login to Docker Hub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Build and push
	uses: docker/build-push-action@v3
	with:
	context: CMS_AOD
	push: ${{ github.ref == 'refs/heads/main' }}
	tags: sslhep/servicex_func_adl_cms_aod_transformer:cmssw-5-3-32
	platforms: linux/amd64

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