Merge pull request #123 from GiganticMinecraft/renovate/docker-docker… #107

	name: Build and release
	on:
	push:
	branches:
	- main

	env:
	image_name: ghcr.io/giganticminecraft/gachadata-server

	jobs:
	build-image:
	name: Build server docker image
	runs-on: ubuntu-latest
	outputs:
	image_tag: ${{ steps.meta.outputs.tags }}
	concurrency:
	group: ${{ github.ref }}-docker-build
	cancel-in-progress: true
	steps:
	- name: checkout
	uses: actions/checkout@v4

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

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.image_name }}
	tags: \|
	type=sha,prefix=sha-,suffix=,format=short

	- name: Build
	id: docker_build
	uses: docker/build-push-action@v6
	with:
	push: true
	context: ./server
	file: ./Dockerfile
	builder: ${{ steps.buildx.outputs.name }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	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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