Create and publish Keycloak maintenance page #5

	name: Create and publish Keycloak maintenance page

	on: workflow_dispatch

	env:
	GITHUB_REGISTRY: ghcr.io
	IMAGE_NAME: bcgov/sso-maintenance

	jobs:
	build-and-push-image:
	runs-on: ubuntu-20.04
	permissions:
	contents: read
	packages: write

	steps:
	- uses: actions/checkout@v3

	- name: Log in to the GitHub Container registry
	uses: docker/login-action@v2
	with:
	registry: ${{ env.GITHUB_REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ${{ env.GITHUB_REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Cache Docker layers
	uses: actions/cache@v2
	with:
	path: /tmp/.buildx-mt-cache
	key: ${{ runner.os }}-buildx-mt-${{ github.sha }}
	restore-keys: ${{ runner.os }}-buildx-mt-

	- name: Build and push Docker image
	uses: docker/build-push-action@v3
	with:
	context: docker/maintenance-page
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=local,src=/tmp/.buildx-mt-cache
	cache-to: type=local,dest=/tmp/.buildx-mt-cache-new

	- name: Move cache
	run: \|
	rm -rf /tmp/.buildx-mt-cache
	mv /tmp/.buildx-mt-cache-new /tmp/.buildx-mt-cache

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