Merge pull request #3 from NTUT-NPC/update-readme #6

	name: Create and publish a Docker image

	# Publish semver tags as releases.
	on:
	push:
	tags: [ 'v..*' ]

	# Defines two custom environment variables for the workflow.
	# These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

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

	steps:
	- name: Log in to the Container registry
	uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	tags: type=semver,pattern={{version}}

	- name: Build and push Docker image
	uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
	with:
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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