Merge pull request #17 from tormath1/tormath1/tag-format #1

	name: Build and release Systemd sysext images
	on:
	push:
	tags:
	- '*'
	jobs:
	build:
	runs-on: ubuntu-22.04
	permissions:
	# allow the action to create a release
	contents: write
	steps:
	# checkout the sources
	- uses: actions/checkout@v3
	# build the images and generate a manifest
	- name: build
	run: \|
	set -euo pipefail

	sudo apt update -qq && sudo apt install -yqq \
	curl \
	jq \
	squashfs-tools \
	xz-utils

	images=(
	"kubernetes-v1.27.4"
	"docker-24.0.5"
	"docker_compose-2.17.2"
	"wasmtime-11.0.1"
	)

	for image in ${images[@]}; do
	component="${image%-*}"
	version="${image#*-}"
	"./create_${component}_sysext.sh" "${version}" "${component}"
	mv "${component}.raw" "${image}.raw"
	done

	sha256sum *.raw > SHA256SUMS
	# create a Github release with the generated artifacts
	- name: release
	uses: softprops/action-gh-release@v1
	with:
	files: \|
	SHA256SUMS
	*.raw

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