Added ENV for config and Docker image building workflow #7

	name: Create and publish a Docker image

	on:
	push:
	branches: ['dev']
	pull_request:
	branches: ['dev']

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

	jobs:
	display-image-name:
	runs-on: ubuntu-latest
	steps:
	- name: Display IMAGE_NAME
	run: echo "IMAGE_NAME is ${{ env.IMAGE_NAME }}"
	build-and-push-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	attestations: write
	id-token: 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: ${{ secrets.GITHUB_TOKEN }}
	- name: Get short commit hash
	id: get-short-hash
	run: echo "SHORT_COMMIT_HASH=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
	- name: Build and push Docker image
	id: push
	uses: docker/build-push-action@v6
	with:
	context: .
	file: Dockerfile
	push: true
	tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}-${{ env.SHORT_COMMIT_HASH }}
	labels: \|
	version=${{ env.SHORT_COMMIT_HASH }}
	branch=${{ github.ref_name }}
	- name: Generate artifact attestation
	uses: actions/attest-build-provenance@v1
	with:
	subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
	subject-digest: ${{ steps.push.outputs.digest }}
	push-to-registry: true

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