Update actions/checkout digest to b4ffde6 - autoclosed #35

	name: Build & Publish
	on:
	push:
	branches:
	- "main"
	- "dev"
	tags:
	- 'v..*'
	pull_request:
	branches:
	- 'main'

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	-
	name: Checkout
	uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
	-
	name: Docker meta
	id: meta
	uses: docker/metadata-action@v5
	with:
	# list of Docker images to use as base name for tags
	images: \|
	${{ github.repository_owner }}/mailhog
	ghcr.io/${{ github.repository_owner }}/mailhog
	labels: \|
	org.opencontainers.image.authors=the pygmy stack, Ian Kent (MailHog)
	org.opencontainers.image.description=MailHog mail testing, configured for use with the pygmy stack
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	-
	name: Login to DockerHub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	-
	name: Login to GHCR
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}
	-
	name: Build and push
	uses: docker/build-push-action@v5
	with:
	context: .
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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