ci(jupyterhub-keycloak): Add workflow for image build #1

	---
	name: Build and publish Spark for jupyterhub-keycloak demo

	on:
	pull_request:
	workflow_dispatch:
	push:
	branches:
	- main
	# TODO (@NickLarsenNZ): Also build on release branches, but with a stackable0.0.0-dev or stackableYY.M.X tag.
	# The current problem is that we don't know the patch level, so do we always build for `.0`, or just drop that
	# (eg: stackableYY.M), but then do we do the same for main (eg: 0.0-dev)?
	# - release-*
	paths:
	- demos/jupyterhub-keycloak/Dockerfile
	- .github/workflows/dev_jupyterhub-keycloak-spark.yaml

	jobs:
	build_image:
	name: Reusable Workflow
	uses: ./.github/workflows/reusable_build_image.yaml
	secrets:
	harbor-robot-secret: ${{ secrets.HARBOR_ROBOT_DEMOS_GITHUB_ACTION_BUILD_SECRET }}
	slack-token: ${{ secrets.SLACK_CONTAINER_IMAGE_TOKEN }}
	with:
	image-name: spark
	# TODO (@NickLarsenNZ): Use a versioned image with stackable0.0.0-dev or stackableXX.X.X so that
	# the demo is reproducable for the release and it will be automatically replaced for the release branch.
	image-version: 3.5.5-python311
	containerfile-path: demos/jupyterhub-keycloak/Dockerfile

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