Update index.rst #197

	name: z2jh Docker image from local repo

	on:
	push:
	branches:
	- '**'

	jobs:

	build_cdsdashboards_local:

	# Include [noga] in the commit message to skip this expensive action
	if: ${{ !contains( github.event.head_commit.message, '[noga]' ) }}

	name: Build and Push cdsdashboards-jupyter-k8s-hub local
	runs-on: ubuntu-18.04

	steps:

	- name: Checkout repo
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.6

	- name: Get Short SHA
	id: getshortsha
	run: echo "::set-output name=sha_short::$(git rev-parse --short=7 ${{ github.sha }})"

	- name: Get z2jh helm chart version number
	uses: pCYSl5EDgo/cat@master
	id: z2jhverstep
	with:
	path: helm-z2jh-latest.txt
	trim: true

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Build docker
	uses: docker/build-push-action@v2
	env:
	cds_helm_chart_ver: ${{ steps.z2jhverstep.outputs.text }}
	with:
	tags: ideonate/cdsdashboards-jupyter-k8s-hub:${{ env.cds_helm_chart_ver }}-sha-${{ steps.getshortsha.outputs.sha_short }}
	context: ./
	file: ./docker-images/z2jh/hub/Dockerfile
	build-args: \|
	BASE_IMAGE=jupyterhub/k8s-hub:${{ env.cds_helm_chart_ver }}
	push: ${{ github.event_name != 'pull_request' }}

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