cicd: add automated release. #2

	name: Release JAR

	on:
	push:
	tags:
	- '*'

	jobs:
	build:
	runs-on: ubuntu-latest
	services:
	registry:
	image: registry:2
	ports:
	- 5000:5000
	steps:
	- name: Checkout
	uses: actions/checkout@v2

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

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	with:
	driver-opts: network=host

	- name: Build and push to local registry
	uses: docker/build-push-action@v3
	with:
	context: .
	push: true
	tags: localhost:5000/name/app:latest

	- id: extract
	uses: shrink/actions-docker-extract@v1
	with:
	image: localhost:5000/name/app:latest
	path: /release/.

	- name: Create release
	uses: actions/create-release@v1
	id: create_release
	with:
	draft: false
	prerelease: false
	release_name: ${{ github.ref_name }}
	tag_name: ${{ github.ref_name }}
	env:
	GITHUB_TOKEN: ${{ github.token }}

	- name: Upload release artifact
	uses: actions/upload-release-asset@v1
	env:
	GITHUB_TOKEN: ${{ github.token }}
	with:
	upload_url: ${{ steps.create_release.outputs.upload_url }}
	asset_path: ${{ steps.extract.outputs.destination }}/keycloak-google-groups-mapper-${{github.ref_name}}.jar
	asset_name: keycloak-google-groups-mapper-${{github.ref_name}}.jar
	asset_content_type: application/java-archive

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