Add GraalVM for JDK 21 Community 21.0.0 #471

	name: Continuous Integration Build

	on:
	pull_request:
	branches:
	- main
	push:
	branches:
	- main
	paths-ignore:
	- '.build/**'

	jobs:

	build-images:
	name: Build images
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	include:
	- name: "base images"
	modules: "quarkus-distroless-base-image,quarkus-micro-base-image"
	args: ""
	- name: "s2i images"
	modules: "quarkus-binary-s2i,quarkus-native-s2i"
	args: ""
	- name: "mandrel builder images"
	modules: "quarkus-mandrel-builder-image"
	args: ""
	- name: "graalvm ce builder images"
	modules: "quarkus-graalvm-builder-image"
	args: ""
	- name: "graalvm ce builder images 21 and 22.0"
	modules: "quarkus-graalvm-builder-image"
	args: "-Polder-graalvm"

	steps:
	- run: \|
	# Re-claim some disk space
	sudo swapoff -a
	sudo rm -f /swapfile
	sudo apt-get clean
	docker rmi $(docker image ls -aq)
	df -h
	- uses: actions/checkout@v1
	- uses: actions/setup-java@v3
	with:
	distribution: 'temurin'
	java-version: '17'
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v1
	with:
	install: true
	- name: Inspect builder
	run: \|
	echo "Name: ${{ steps.buildx.outputs.name }}"
	echo "Endpoint: ${{ steps.buildx.outputs.endpoint }}"
	echo "Status: ${{ steps.buildx.outputs.status }}"
	echo "Flags: ${{ steps.buildx.outputs.flags }}"
	echo "Platforms: ${{ steps.buildx.outputs.platforms }}"
	- name: Build ${{ matrix.name }}
	run: mvn install --projects ${{ matrix.modules }} --also-make -DskipTests ${{ matrix.args }}
	- name: Print ${{ matrix.name}}
	if: always()
	run: docker images

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