v0.5.0 #16

	name: publish docker image

	on:
	release:
	types: [ released ]
	workflow_dispatch:

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	-
	name: checkout repository
	uses: actions/checkout@v3
	-
	name: set up QEMU
	uses: docker/setup-qemu-action@v2
	-
	name: set up docker buildx
	uses: docker/setup-buildx-action@v2
	-
	name: log in to the container registry
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	-
	id: string_tag
	uses: ASzc/change-string-case-action@v5
	with:
	string: ${{ env.REGISTRY}}/${{ env.IMAGE_NAME }}

	-
	id: release_asset
	name: Download release assets
	uses: dsaltares/fetch-gh-release-asset@master
	with:
	regex: true
	file: "lodestone_core_*"
	target: release/
	version: "tags/${{ github.event.release.tag_name }}"
	token: ${{ secrets.GITHUB_TOKEN }}

	# https://stackoverflow.com/questions/73402042/github-action-expressions-split-string
	-
	name: set version string
	env:
	VERSION: ${{ steps.release_asset.outputs.version }}
	id: substring
	run: echo "version=${VERSION:1}" >> $GITHUB_OUTPUT

	-
	name: build and push
	uses: docker/build-push-action@v3
	with:
	context: .
	platforms: linux/amd64,linux/arm64
	file: ./githubactions.Dockerfile
	build-args: \|
	lodestone_version=${{ steps.release_asset.outputs.version }}
	push: true
	tags: ${{ steps.string_tag.outputs.lowercase }}:latest,${{ steps.string_tag.outputs.lowercase }}:${{ steps.substring.outputs.version }}

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