Add e2e test for pushing empty list of rules (#563) #18

	name: publish
	on:
	push:
	branches:
	- 'master'
	- 'main'
	tags:
	- 'v*'
	jobs:
	image:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Login to image registry
	uses: docker/login-action@v2
	with:
	registry: quay.io
	username: ${{ secrets.QUAY_USERNAME }}
	password: ${{ secrets.QUAY_PASSWORD }}

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2

	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v2

	- name: Cache for Docker's buildx
	uses: actions/cache@v3
	with:
	path: .buildxcache/
	key: ${{ runner.os }}-buildx-${{ hashFiles('*/.go', 'Dockerfile', 'go.sum') }}
	restore-keys: \|
	${{ runner.os }}-buildx-

	- name: Snapshot container buid & push
	run: make conditional-container-build-push

	- name: Check semver tag
	id: check-semver-tag
	# The regex below comes from https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string.
	run: \|
	if [[ ${{ github.event.ref }} =~ ^refs/tags/v(0\|[1-9]\d)\.(0\|[1-9]\d)\.(0\|[1-9]\d)(?:-((?:0\|[1-9]\d\|\d[a-zA-Z-][0-9a-zA-Z-])(?:\.(?:0\|[1-9]\d\|\d[a-zA-Z-][0-9a-zA-Z-]))))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$ ]]; then
	echo ::set-output name=match::true
	fi
	- name: Release container build & push
	if: steps.check-semver-tag.outputs.match == 'true'
	run: make container-release-build-push

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