Merge pull request #1434 from ral-facilities/release/v3.0.1 #2

	name: Docker Release Build
	on:
	push:
	tags: '*'

	jobs:
	docker:
	# This job builds the Docker image and if successful, it pushes it to Harbor.
	name: Docker
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repo
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- name: Login to Harbor
	uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
	with:
	registry: ${{ secrets.HARBOR_URL }}
	username: ${{ secrets.HARBOR_USERNAME }}
	password: ${{ secrets.HARBOR_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
	with:
	images: ${{ secrets.HARBOR_URL }}/scigateway
	tags: \|
	type=semver,pattern={{version}}
	type=semver,pattern={{major}}.{{minor}}
	type=ref,event=tag,pattern={{ref}}

	- name: Build and push Docker image to Harbor
	uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
	with:
	context: .
	file: ./Dockerfile
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	annotations: ${{ steps.meta.outputs.annotations }}

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