Improvements #12

	name: Docker

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.

	on:

	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	env:
	# Use docker.io for Docker Hub if empty
	REGISTRY: ghcr.io
	# github.repository as <account>/<repo>
	IMAGE_NAME: ${{ github.repository }}


	jobs:
	build:

	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	# This is used to complete the identity challenge
	# with sigstore/fulcio when running outside of PRs.
	id-token: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- uses: actions/setup-java@v3
	with:
	distribution: temurin
	java-version: 21
	cache: 'gradle'

	- run: ./gradlew bootBuildImage -PbuildProfile=graalvm --no-daemon --imageName="ghcr.io/${{ github.repository }}:hello-world-native"

	- uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- run: docker push ghcr.io/${{ github.repository }}:hello-world-native

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