Use the released tag version to identify newly-created docker images #185

	name: "Build & Push EVM Gateway Image to Public Repo"

	on:
	pull_request:
	push:
	branches:
	- "main"

	env:
	DOCKER_IMAGE_URL: ${{ vars.REPO_DOCKER_IMAGE_URL }}

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	id-token: write
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	fetch-tags: true

	- name: Set Gateway Version
	id: set_version
	run: echo "GATEWAY_VERSION=$(git describe --tags --abbrev=0 2>/dev/null)" >> $GITHUB_OUTPUT

	- name: Google auth
	id: auth
	uses: google-github-actions/auth@v2
	with:
	token_format: 'access_token'
	workload_identity_provider: ${{ vars.GHA_IDENTITY_POOL }}
	service_account: ${{ vars.REPO_SERVICE_ACCOUNT }}

	- name: Set up Cloud SDK
	uses: google-github-actions/setup-gcloud@v1
	with:
	project_id: ${{ vars.GAR_PROJECT_ID }}

	- name: Docker Auth
	run: \|-
	gcloud auth configure-docker ${{ vars.GAR_LOCATION }}-docker.pkg.dev
	docker build -t ${{ env.DOCKER_IMAGE_URL }}:${{ steps.set_version.outputs.GATEWAY_VERSION }} --build-arg GATEWAY_VERSION=${{ steps.set_version.outputs.GATEWAY_VERSION }} --file Dockerfile .

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