ENH: Flexibilize "sophisticated" pepolar to allow monomodal execution… #26

	name: Docker build

	on:
	workflow_dispatch:
	push:
	branches: [ "master", "main", "maint/*", "gha-docker-build" ]
	tags: "*"
	pull_request:
	branches: [ "master", "main", "maint/*" ]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

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

	jobs:
	build-container:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 200
	fetch-tags: true

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

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

	- name: Extract Docker metadata
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v6
	with:
	context: .
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: \|
	type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:master
	type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.TARGET_BRANCH }}
	type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.tags[0] }}
	cache-to: type=inline
	env:
	TARGET_BRANCH: ${{ github.base_ref \|\| github.ref_name }}

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