feat: Initial commit #6

	name: Publish Action and Container

	on:
	push:
	branches:
	- main

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: guardian/actions-cdk

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	# Write required to create a release
	contents: write
	# Write required to publish package to GHCR
	packages: write
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	# Extract the @guardian/cdk version from the package.json to create a release
	# matching the version.
	- run: echo "CDK_VERSION=$(jq -rc .dependencies.\"@guardian/cdk\" < package.json)" >> $GITHUB_ENV

	# Create a draft release
	- env:
	GH_TOKEN: ${{ github.token }}
	run: gh release create v${{ env.CDK_VERSION }} --draft --generate-notes

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	tags: \|
	type=semver,pattern={{version}},value=${{ env.CDK_VERSION}}
	type=semver,pattern={{major}}.{{minor}},value=${{ env.CDK_VERSION}}
	type=semver,pattern={{major}},value=${{ env.CDK_VERSION}}

	- name: Build and push Docker image
	id: push
	uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
	with:
	context: .
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

	# Release the draft
	- env:
	GH_TOKEN: ${{ github.token }}
	run: gh release edit v${{ env.CDK_VERSION }} --draft false

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