Build

ci: build multi-platform container images #11

	---
	name: "Build"

	on:
	push:
	tags:
	- "*"

	jobs:
	image:
	name: "Container Image"
	runs-on: "ubuntu-22.04"

	permissions:
	contents: "read"
	id-token: "write"
	packages: "write"

	strategy:
	matrix:
	images:
	- arch: "amd64"
	- arch: "arm64"

	fail-fast: true

	steps:
	- name: "Checkout repository"
	id: "checkout"
	uses: "actions/checkout@v4"

	- name: "Set up Dagger"
	id: "setup-dagger"
	uses: "camptocamp/setup-dagger@v1"
	with:
	cloud-token: "${{ secrets.DAGGER_CLOUD_TOKEN }}"

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

	- name: "Build container image"
	id: "build-image"
	run: \|
	address='ghcr.io/${{ github.repository_owner }}/varnish:${{ github.ref_name }}'
	ref="$(dagger call container --platform '${{ matrix.images.arch }}' publish --address "$address-${{ matrix.images.arch }}")"
	docker manifest create --amend "$address" "$ref"

	- name: "Delete old container images"
	id: "delete-old-images"
	uses: "actions/delete-package-versions@v5"
	with:
	package-name: "varnish"
	package-type: "container"
	min-versions-to-keep: 0
	delete-only-untagged-versions: true

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