Taskwarrior Docker image #19

	name: Taskwarrior Docker image

	on:
	workflow_dispatch:
	workflow_run:
	workflows: [tests]
	branches:
	- develop
	- stable
	types:
	- completed

	env:
	REGISTRY: "ghcr.io"

	jobs:
	build-and-push-docker-image:
	runs-on: ubuntu-latest
	if: ${{ github.event.workflow_run.conclusion == 'success' }}
	permissions:
	contents: read
	packages: write
	id-token: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	submodules: "recursive"

	- name: Install cosign
	uses: sigstore/cosign-installer@v3.1.2

	- name: Log into registry ${{ env.REGISTRY }}
	uses: docker/login-action@v3.0.0
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push Taskwarrior Docker image
	id: build-and-push
	uses: docker/build-push-action@v4.2.1
	with:
	context: .
	file: "./docker/task.dockerfile"
	push: true
	tags: ${{ env.REGISTRY }}/${{ github.actor }}/task:${{ github.ref_name }}

	- name: Sign the published Docker image
	env:
	COSIGN_EXPERIMENTAL: "true"
	run: cosign sign ${{ env.REGISTRY }}/${{ github.actor }}/task@${{ steps.build-and-push.outputs.digest }}

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