Update workflow to use google-github-actions/auth for authentication #6

	name: Deploy to GCS

	on:
	push:
	branches:
	- main

	jobs:
	build-and-deploy:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Terraform
	uses: hashicorp/setup-terraform@v1
	with:
	terraform_version: "1.1.0"

	- name: Initialize Terraform
	id: init
	run: terraform init
	working-directory: ./terraform

	- name: Apply Terraform
	run: terraform apply -auto-approve
	working-directory: ./terraform
	env:
	GOOGLE_CREDENTIALS: ${{ secrets.GOOGLE_APPLICATION_CREDENTIALS }}

	- name: Authenticate to Google Cloud
	uses: google-github-actions/auth@v1
	with:
	credentials_json: '${{ secrets.GCP_SERVICE_ACCOUNT_KEY }}'

	- name: Set up Cloud SDK
	uses: google-github-actions/setup-gcloud@v1
	with:
	version: 'latest'
	project_id: ${{ secrets.GCP_PROJECT_ID }}

	- name: Deploy to GCS
	run: \|
	gsutil -m rsync -r ./frontend gs://leaflet-site

	- name: Configure GCS Bucket for Static Website
	run: \|
	gsutil web set -m index.html -e index.html gs://leaflet-site

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