Merge pull request #4 from amp-buildpacks/feat/issue-3 #1

	name: Push Builder Image

	# on:
	# release:
	# types:
	# - published

	on:
	push:
	tags:
	- v[0-9]+.*

	permissions:
	contents: read
	packages: write

	jobs:
	push:
	name: Push
	runs-on: ubuntu-latest
	steps:
	- name: Parse Event
	id: event
	run: \|
	echo "tag=$(jq -r '.release.tag_name' "${GITHUB_EVENT_PATH}" \| sed s/^v//)" >> "$GITHUB_OUTPUT"

	- name: Checkout
	uses: actions/checkout@v3

	- name: Get pack version
	id: pack-version
	run: \|
	version=$(jq -r .pack "scripts/.util/tools.json")
	echo "version=${version#v}" >> "$GITHUB_OUTPUT"

	- name: Install Global Pack
	uses: buildpacks/github-actions/setup-pack@main
	with:
	pack-version: ${{ steps.pack-version.outputs.version }}

	- name: Create Builder Image
	run: \|
	pack builder create builder --config builder.toml

	- name: Set environment variable
	run: echo "IMAGE_NAME=ghcr.io/amp-buildpacks/leo-builder" >> $GITHUB_ENV

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.IMAGE_NAME }}

	- name: Build and push by digest
	id: build
	uses: docker/build-push-action@v5
	with:
	context: .
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	outputs: type=image,name=${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
	provenance: false
	cache-from: type=gha
	cache-to: type=gha

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