Update README.md #3

	---
	name: Create and publish Docker images using Packer

	on:
	push:
	workflow_dispatch:

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

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	- name: Setup packer
	uses: hashicorp/setup-packer@main
	- run: ansible --version
	- name: Initialise packer for base image
	run:
	packer init -upgrade base-template.pkr.hcl
	working-directory: packer
	- name: Build and push base image
	run: \|
	export PKR_VAR_docker_repository="${REGISTRY}/${REPO_OWNER}/nesi-docker-base"
	packer build base-template.pkr.hcl
	working-directory: packer
	env:
	PKR_VAR_docker_tag: ${{ github.ref_name }}
	PKR_VAR_docker_username: ${{ github.actor }}
	PKR_VAR_docker_password: ${{ secrets.GITHUB_TOKEN }}
	PKR_VAR_docker_server: ${{ env.REGISTRY }}
	- name: Initialise packer for vnc image
	run:
	packer init -upgrade vnc-template.pkr.hcl
	working-directory: packer
	- name: Build and push vnc image
	run: \|
	export PKR_VAR_docker_repository="${REGISTRY}/${REPO_OWNER}/nesi-ondemand-vnc"
	export PKR_VAR_docker_repository_base="${REGISTRY}/${REPO_OWNER}/nesi-docker-base"
	packer build vnc-template.pkr.hcl
	working-directory: packer
	env:
	PKR_VAR_docker_tag: ${{ github.ref_name }}
	PKR_VAR_docker_username: ${{ github.actor }}
	PKR_VAR_docker_password: ${{ secrets.GITHUB_TOKEN }}
	PKR_VAR_docker_server: ${{ env.REGISTRY }}

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