feat(server): support wait before triggering graceful shutdown #582

	name: Build wonderwall
	on: [push]
	env:
	GOOGLE_REGISTRY: europe-north1-docker.pkg.dev/nais-io/nais/images
	GITHUB_REGISTRY: ghcr.io
	jobs:
	test:
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout latest code
	uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # ratchet:actions/checkout@v3
	- name: Set up Go
	uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # ratchet:actions/setup-go@v4
	with:
	go-version: "1.21"
	check-latest: true
	- name: Test Go
	run: \|
	make test
	make check
	publish-images:
	needs: test
	name: Publish to Google and GitHub registries
	if: github.ref == 'refs/heads/master'
	permissions:
	contents: "read"
	id-token: "write"
	packages: "write"
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # ratchet:actions/checkout@v3
	- name: Install cosign
	uses: sigstore/cosign-installer@11086d25041f77fe8fe7b9ea4e48e3b9192b8f19 # ratchet:sigstore/cosign-installer@main
	with:
	cosign-release: 'v2.0.0'
	- name: Verify runner image
	run: cosign verify --certificate-oidc-issuer https://accounts.google.com --certificate-identity keyless@distroless.iam.gserviceaccount.com gcr.io/distroless/static-debian11:nonroot
	- uses: nais/platform-build-push-sign@fb7da39ee56c8904ed15c02705a1780cb278a65b # ratchet:nais/platform-build-push-sign@main
	id: build_push_sign
	with:
	name: wonderwall
	dockerfile: Dockerfile
	google_service_account: gh-wonderwall
	multi-platform: true
	push: true
	push_ghcr: true
	workload_identity_provider: ${{ secrets.NAIS_IO_WORKLOAD_IDENTITY_PROVIDER }}

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