build(tiledit): use a docker image to build #10

	name: Build Docker image

	# Based on https://github.com/Delgan/qml-format/blob/a57ccf9991ca3e210d2ec3c97156c5fb4bb66227/.github/workflows/docker.yml (Thanks!)

	on:
	workflow_dispatch:
	pull_request:
	branches: ["main"]
	paths:
	- sirc-tiledit/docker/**

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}-tiledit-build

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Log in to the Container registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	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@v5
	with:
	context: sirc-tiledit/docker/
	file: sirc-tiledit/docker/builder.Dockerfile
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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