Update chapter_4.md #75

	name: Deploy website

	on: [push]

	jobs:
	# Build website and artifact
	build:

	runs-on: ubuntu-22.04

	name: "Deploy website"

	steps:

	- name: checkout course_GEO4-4436
	uses: actions/checkout@v3

	- uses: conda-incubator/setup-miniconda@v2
	with:
	activate-environment: action
	environment-file: environment/workflow/action.yaml
	python-version: 3.11
	auto-activate-base: false
	auto-update-conda: false
	channels: conda-forge

	- name: Configure
	shell: bash -l {0}
	run: \|
	mkdir build
	cmake \
	-S . \
	-B build

	- name: Build html
	shell: bash
	run: \|
	cmake --build build

	# see: https://github.com/actions/upload-pages-artifact
	- name: Archive artifact
	shell: bash -l {0}
	run: \|
	tar \
	--dereference --hard-dereference \
	--directory "build/course/_build/html/" \
	-cvf "$RUNNER_TEMP/artifact.tar" \
	.

	- name: Upload artifact
	uses: actions/upload-artifact@v3
	with:
	name: github-pages
	path: ${{ runner.temp }}/artifact.tar
	retention-days: 1
	if-no-files-found: error

	# see: https://github.com/actions/deploy-pages
	deploy:
	needs: build

	# Grant GITHUB_TOKEN the permissions required to make a Pages deployment
	permissions:
	pages: write # to deploy to Pages
	id-token: write # to verify the deployment originates from an appropriate source

	# Deploy to the github-pages environment
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}

	# Specify runner + deployment step
	runs-on: ubuntu-latest
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v2 # or the latest "vX.X.X" version tag for this action

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