refresh the docker-compose example file #14

	name: Build and publish demo image

	on:
	push:
	tags:
	- '*'

	## GITHUB_TOKEN authentication
	permissions:
	contents: write

	jobs:
	buildandpush:
	runs-on: ubuntu-latest
	steps:
	# https://github.com/CycodeLabs/cimon-action
	- name: Cimon supply chain attack protection
	uses: cycodelabs/cimon-action@v0
	with:
	prevent: true
	allowed-hosts: >
	codeload.github.com
	dl-cdn.alpinelinux.org
	docker.io
	ghcr.io
	index.docker.io
	nginx.org
	packagist.org
	pkg-containers.githubusercontent.com
	production.cloudflare.docker.com
	registry.yarnpkg.com
	repo.yarnpkg.com
	registry.npmjs.org
	hooks.deltablot.dev

	- name: Checkout elabimg repo
	uses: actions/checkout@v4

	# https://github.com/marketplace/actions/docker-setup-buildx
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	# https://github.com/docker/login-action#docker-hub
	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_TOKEN }}

	# https://github.com/docker/build-push-action#multi-platform-image
	# https://docs.docker.com/build/ci/github-actions/cache/
	- name: Build latest release for x86 and push to Docker Hub
	uses: docker/build-push-action@v6
	with:
	context: .
	platforms: linux/amd64
	push: true
	cache-from: type=gha
	cache-to: type=gha,mode=max
	build-args: \|
	ELABFTW_VERSION=demo
	tags: \|
	elabftw/elabimg:demo

	- name: Send request to webhook to trigger update of demo
	run: \|
	curl -v -H 'X-Hook-Secret: ${{ secrets.HOOK_SECRET }}' ${{ secrets.HOOK_URL }}

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