Initial downstream THREDDS image with netCDF-Java patch framework #1

	name: Publish image

	on:
	push:
	tags: ['v*']

	permissions:
	contents: read
	packages: write

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ternaustralia/thredds-swiftfix

	jobs:
	publish:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v6

	- name: Read versions
	id: versions
	shell: bash
	run: \|
	set -a
	source versions.env
	set +a
	echo "base=$THREDDS_BASE_IMAGE" >> "$GITHUB_OUTPUT"
	echo "commit=$NETCDF_JAVA_COMMIT" >> "$GITHUB_OUTPUT"
	echo "version=$IMAGE_VERSION" >> "$GITHUB_OUTPUT"

	- uses: docker/setup-buildx-action@v3

	- uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- id: meta
	uses: docker/metadata-action@v5
	with:
	images: ghcr.io/ternaustralia/thredds-swiftfix
	tags: \|
	type=ref,event=tag
	type=sha,prefix=sha-

	- id: build
	uses: docker/build-push-action@v6
	with:
	context: .
	file: Containerfile
	push: true
	platforms: linux/amd64
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	build-args: \|
	THREDDS_BASE_IMAGE=${{ steps.versions.outputs.base }}
	NETCDF_JAVA_COMMIT=${{ steps.versions.outputs.commit }}
	IMAGE_VERSION=${{ steps.versions.outputs.version }}
	SOURCE_URL=${{ github.server_url }}/${{ github.repository }}
	VCS_REF=${{ github.sha }}
	BUILD_DATE=${{ github.event.repository.updated_at }}

	- name: Show digest
	run: echo 'ghcr.io/ternaustralia/thredds-swiftfix@${{ steps.build.outputs.digest }}'

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