refs platform/#2550: add template job for GCP CDN on L7 and deploy functions refactoring #565

	name: Docker

	on:
	push:
	branches:
	- "master"
	pull_request:
	branches:
	- "master"

	env:
	IMAGE_NAME: spark-k8s-deployer

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Build image
	run: docker build . --file Dockerfile --tag $IMAGE_NAME-test

	test-build-args:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Build image
	run: docker build . --file Dockerfile --tag $IMAGE_NAME-test-args --build-arg QEMU_ARCHS="aarch64 arm x86_64"

	deploy:
	needs: [test, test-build-args]
	runs-on: ubuntu-latest
	if: github.ref == 'refs/heads/master'

	steps:
	- uses: actions/checkout@v3

	# Refs https://github.com/docker/login-action#github-container-registry
	- name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build image
	run: docker build . --file Dockerfile --tag $IMAGE_NAME

	- name: Push image to GitHub Container Registry
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

	# Change all uppercase to lowercase.
	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')

	# Strip git ref prefix from version.
	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')

	# Strip "v" prefix from tag name.
	[[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION \| sed -e 's/^v//')

	# Use Docker `latest` tag convention.
	[ "$VERSION" == "master" ] && VERSION=latest

	echo IMAGE_ID=$IMAGE_ID
	echo VERSION=$VERSION

	docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
	docker push $IMAGE_ID:$VERSION

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