Demo Preview Cleanup #106

	name: Demo Preview Cleanup

	on:
	schedule:
	- cron: '0 12 * * *' # every day at noon

	permissions:
	id-token: write # This is required for requesting the OIDC JWT for authing with Azure
	contents: read # This is required for actions/checkout
	pull-requests: read # Required to list PRs

	# This allows one deploy workflow to interrupt another
	concurrency:
	group: 'preview-env-cleanup @ ${{ github.head_ref \|\| github.run_id }} for ${{ github.event.inputs.PR_NUMBER }}'
	cancel-in-progress: true

	jobs:
	cleanup:
	name: Cleanup
	runs-on: ubuntu-latest
	timeout-minutes: 5
	environment:
	name: preview

	steps:
	- uses: Azure/login@v2
	with:
	# excluding a client secret here will cause a login via OpenID Connect (OIDC),
	# which prevents us from having to rotate client credentials, etc
	client-id: ${{ secrets.AZURE_CLIENT_ID }}
	tenant-id: ${{ secrets.AZURE_TENANT_ID }}
	subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}

	# Do this before repo checkout to prevent running bundle install
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: '3.3'

	- name: Check out repo
	uses: actions/checkout@v4

	# Delete web app (which will also delete the App Service plan)
	# This will succeed even if the app doesn't exist / has already been deleted
	- name: 'Delete App Service Apps for closed PRs'
	run: ruby ./.github/workflows/demo-preview-cleanup.rb
	env:
	GITHUB_TOKEN: ${{ github.token }}

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