Adds link to Bitcoin Design website's silent payments page #19

	name: Build site and test image

	on:
	pull_request:
	workflow_dispatch:

	jobs:
	deploy:
	runs-on: ubuntu-latest
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive # Fetch Hugo themes (true OR recursive)
	fetch-depth: 0 # Fetch all history for .GitInfo and .Lastmod

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Setup Hugo
	uses: peaceiris/actions-hugo@v3
	with:
	hugo-version: 'latest'
	extended: true

	- name: Build site
	run: hugo --destination ./public

	- name: Install zopfli
	run: sudo apt-get install -y --no-install-recommends zopfli

	- name: Compress public static files
	run: \|
	cd public
	for file in $(find . -type f)
	do
	zopfli "$file"
	rm "$file"
	touch -r "$file".gz "$file"
	done

	- name: Build test image
	id: docker_build
	uses: docker/build-push-action@v6
	with:
	context: .
	push: false
	load: true
	tags: silentpaymentsxyz:test
	cache-from: type=registry,ref=ghcr.io/${{ github.repository_owner }}/silentpaymentsxyz:latest
	cache-to: type=inline

	- name: Test-run image
	run: \|
	docker run --rm silentpaymentsxyz:test &
	PID=$!
	sleep 10
	kill -SIGINT $PID # this will return a non-zero exit code if the container dies early on

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