Add additional volumes & volume mounts, fix schema #317

	name: Build and publish helm charts

	on:
	push:
	pull_request:

	env:
	HELM_VERSION_TO_INSTALL: 3.14.3

	jobs:
	build-and-push-helm-charts:
	name: publish helm charts to ghcr.io
	runs-on: ubuntu-latest
	environment: prod
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: install helm
	uses: Azure/setup-helm@v3
	with:
	version: ${{ env.HELM_VERSION_TO_INSTALL }}

	- name: push the helm chart
	run: \|
	echo ${{ secrets.GITHUB_TOKEN }} \| helm registry login ghcr.io/${{ github.repository_owner }} --username ${{ github.repository_owner }} --password-stdin

	REGISTRY=oci://ghcr.io/epics-containers
	set -x

	# helm tags must be SemVar. Use 0.0.0-b0 for testing the latest non-tagged build
	if [ "${GITHUB_REF_TYPE}" == "tag" ] ; then
	TAG=${GITHUB_REF_NAME}
	else
	TAG="0.0.0-b0"
	fi

	for chart in Charts/*; do
	(
	cd $(realpath $chart)
	NAME=$(sed -n '/^name: */s///p' Chart.yaml)

	helm package -u --app-version ${TAG} --version ${TAG} .
	PACKAGE=${NAME}-${TAG}.tgz

	helm push "$PACKAGE" $REGISTRY
	)
	done

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