Support arm64/amd64 for k3s #17

	name: Cache images for tests in GHCR

	on:
	push:
	paths:
	- 'scripts/docker-compose.yaml'
	- '.github/workflows/docker.yml'

	env:
	IMAGES: "rancher/k3s:v1.31.2-k3s1,registry:2"

	jobs:
	cache-images:
	if: github.event.pull_request.user.login != 'dependabot[bot]' && github.actor != 'dependabot[bot]'
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	attestations: write
	id-token: write
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

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

	- name: Cache images
	run: \|
	for image in ${IMAGES//,/ }; do
	new_image="ghcr.io/gavinbunney/terraform-provider-kubectl/testacc-$(echo $image \| sed 's/\//-/')"
	echo "Caching $image as $new_image"
	docker rmi $image
	docker pull $image --platform linux/amd64
	docker tag $image $new_image-amd64
	docker push $new_image-amd64
	docker rmi $image
	docker pull $image --platform linux/arm64
	docker tag $image $new_image-arm64
	docker push $new_image-arm64
	done

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