Merge pull request #2 from sanger-tol/dockerise #2

	name: Build and Publish

	on:
	push:
	branches:
	- 'main'
	tags:
	- 'v*'

	env:
	REGISTRY: ghcr.io
	ORGANISATION: sanger-tol
	IMAGE_NAME: agp-tpf-utils

	permissions:
	contents: write
	packages: write

	jobs:
	# define job to build and publish docker image
	build-and-push-docker-image:

	name: Build Docker image and push to repositories
	# run only when code is compiling and tests are passing
	runs-on: ubuntu-latest

	# steps to perform in job
	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Login to Github Packages
	uses: docker/login-action@v2
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ${{ env.REGISTRY }}/${{ env.ORGANISATION }}/${{ env.IMAGE_NAME }}
	tags: \|
	type=ref,event=branch
	type=semver,pattern={{version}}

	- name: Build image and push to GitHub Container Registry
	uses: docker/build-push-action@v2
	id: build-and-push
	with:
	# relative path to the place where source code with Dockerfile is located
	context: .
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	push: true

	- name: Image digest
	run: echo ${{ steps.build-and-push.outputs.digest }}

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