Update docker/build-push-action action to v6 (#11) #139

	name: Docker Publish

	on:
	workflow_dispatch:
	push:
	branches:
	- main

	env:
	REGISTRY: ghcr.io
	USER_NAME: ${{ github.repository_owner }}

	jobs:
	build:
	runs-on: ubuntu-latest

	permissions:
	contents: read
	packages: write
	id-token: write

	strategy:
	matrix:
	include:
	- name: paper
	context: ./paper
	file: ./paper/dockerfile
	target: prod
	- name: velocity
	context: ./velocity
	file: ./velocity/dockerfile
	target: prod
	- name: waterfall
	context: ./waterfall
	file: ./waterfall/dockerfile
	target: prod

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Setup Docker buildx
	id: buildx
	uses: docker/setup-buildx-action@v3

	- name: Log into registry ${{ env.REGISTRY }}
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Downcase DOCKER_REPO
	run: \|
	github_repo="${{ github.repository }}"
	echo "DOCKER_REPO=${github_repo,,}" >> "${GITHUB_ENV}"

	- name: Extract Docker metadata
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.USER_NAME }}/${{ matrix.name }}
	tags: \|
	type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
	type=ref,event=branch
	type=sha,format=long

	- name: Build and push Docker image
	id: build-and-push
	uses: docker/build-push-action@v6
	with:
	push: true
	context: ${{ matrix.context }}
	file: ${{ matrix.file }}
	target: ${{ matrix.target }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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