Add ghrc container #2

	---
	name: build marp container on GHCR

	env:
	TAGS: "test"
	# to avoid unknown/unknown image build
	# check following thread for the details:
	# https://github.com/orgs/community/discussions/45969
	BUILDX_NO_DEFAULT_ATTESTATIONS: 1

	# on:
	# push:
	# branches:
	# - main
	# - add-ghcr-containner
	on:
	- pull_request
	- push

	jobs:
	build_container_image:
	runs-on: ubuntu-22.04
	steps:
	- name: Starting container build
	run: echo "Starting container build. Be patient. 🐢"
	- name: Checkout code ✅
	uses: actions/checkout@v4
	- name: Setup QEMU for multi-arch builds 🏗️
	uses: docker/setup-qemu-action@v3
	with:
	# platforms: "linux/arm64/v8,linux/amd64"
	platforms: "linux/amd64"
	- name: Setup Docker buildX for multi-arch builds 🏗️
	uses: docker/setup-buildx-action@v3
	- name: Login to the container registry 🗝️
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Generate tags and labels
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ghcr.io/ankudinov/marp-cli
	tags: \|
	type=raw,value=latest
	type=raw,value=${{ env.TAGS }}
	# https://github.com/marp-team/marp-cli/issues/515
	- name: build MarpCLI
	run: \|
	yarn install
	yarn build
	# build and push the image
	- name: Build and push
	uses: docker/build-push-action@v4
	if: github.repository_owner == 'ankudinov'
	with:
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	# platforms: linux/arm64/v8,linux/amd64
	platforms: linux/amd64

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