docker_image #2

	name: docker_image

	on:
	workflow_run:
	workflows:
	- "publish"
	types:
	- completed

	jobs:
	build_and_push:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	# タグ名を 1.2.3 のように付けていることが前提．
	- name: Git Tag name
	id: vars
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	tag=$(gh release view --json tagName --jq .tagName)
	echo "::set-output name=tag::${tag##v}"

	# docker image
	- name: Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Push Docker Images
	uses: docker/build-push-action@v3
	with:
	push: true
	tags: \|
	ghcr.io/${{ github.repository_owner }}/${{ github.repository }}:${{ steps.vars.outputs.tag }}
	ghcr.io/${{ github.repository_owner }}/${{ github.repository }}:latest

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