added permissions to publish-image.yaml #2

	name: Build and Publish Docker Image

	on:
	push:
	tags:
	- '..*'

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	packages: write

	steps:
	- name: Check out the repository
	uses: actions/checkout@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Log in to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract tag
	id: extract_tag
	run: echo "TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV

	- name: Verify SemVer format
	id: semver_check
	run: \|
	if [[ ! "${TAG}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
	echo "Error: Tag ${TAG} is not in semver format X.X.X"
	exit 1
	fi

	- name: Build Docker image
	run: \|
	sudo docker buildx build -t github_jira_sync_app --output type=docker .

	- name: Tag Docker image
	run: \|
	sudo docker tag github_jira_sync_app ghcr.io/canonical/gh-jira-sync-bot:${TAG}

	- name: Push Docker image
	run: \|
	sudo docker push ghcr.io/canonical/gh-jira-sync-bot:${TAG}

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