Merge pull request #50 from GiganticMinecraft/renovate/actions-checko… #15

	name: Build and publish seichiassist-builder docker image
	on:
	push:
	branches:
	- main
	paths:
	- 'seichiassist-builder-v2/**'
	- '.github/workflows/publish-seichiassist-builder-v2.yml'

	jobs:
	build-and-push:
	runs-on: ubuntu-latest
	env:
	image_name: seichiassist-builder-v2

	# 参考: https://qiita.com/kawakawaryuryu/items/b0291c1bc1141a535263
	steps:
	- name: Checkout code
	uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
	with:
	submodules: recursive

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

	- id: prepare_image_id
	name: Prepare image id's components
	run: \|
	lowercase_id=ghcr.io/${{ github.repository_owner }}/${{ env.image_name }}
	echo "::set-output name=lowercase_id::$(echo $lowercase_id \| tr '[A-Z]' '[a-z]')"
	echo "::set-output name=short-ref::$(git rev-parse --short "$GITHUB_SHA")"

	- name: Login to GitHub Container Registry
	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: ./seichiassist-builder-v2
	builder: ${{ steps.buildx.outputs.name }}
	push: true
	tags: \|
	${{ steps.prepare_image_id.outputs.lowercase_id }}:latest
	${{ steps.prepare_image_id.outputs.lowercase_id }}:${{ steps.prepare_image_id.outputs.short-ref }}
	cache-from: type=gha
	# すべてのビルドステージのすべてのレイヤーをキャッシュして欲しいのでmode=max
	cache-to: type=gha,mode=max

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