Publisher #617

	name: Publisher

	on:
	push:
	branches:
	- main
	schedule:
	- cron: "0 7 * * *"
	workflow_dispatch:

	jobs:
	publish:
	runs-on: ubuntu-latest

	steps:
	# Check out current repository
	- name: Fetch Sources
	uses: actions/checkout@v4

	- name: Get version
	id: rover-version
	# release version are prefixed with 'v' in the project
	run: \|
	VERSION="$(gh release list -R apollographql/rover -L 1 \| cut -f1 \| cut -c2-)"
	echo "Latest version is $VERSION"
	echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
	if $(echo $VERSION \| grep -Pq '^([1-9]\d\|0)(\.(([1-9]\d)\|0)){2}$'); then echo "NON_PRERELEASE=true" >> $GITHUB_OUTPUT; fi;
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

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

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

	- name: Generate Docker image meta data
	id: docker-image-meta-data
	uses: docker/metadata-action@v5
	with:
	images: \|
	name=worksome/rover,enable=true
	tags: \|
	type=raw,value=${{ steps.rover-version.outputs.VERSION }},enable=true
	type=raw,value=latest,enable=${{ (steps.rover-version.outputs.NON_PRERELEASE == 'true') }}

	- name: Build and push
	uses: docker/build-push-action@v5
	with:
	context: .
	platforms: linux/amd64,linux/arm64
	push: true
	# add 'v' back in to the version again as the rover install command expects it
	build-args: version=v${{ steps.rover-version.outputs.version }}
	tags: ${{ steps.docker-image-meta-data.outputs.tags}}

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