updte #4

	name: deploy-book

	on:
	push:
	branches:
	- main

	env:
	BASE_URL: /${{ github.event.repository.name }}

	concurrency:
	group: "pages"
	cancel-in-progress: false

	jobs:
	deploy-book:
	runs-on: ubuntu-latest
	permissions:
	pages: write
	id-token: write
	steps:
	- uses: actions/checkout@v3

	- name: Set up Python 3.11
	uses: actions/setup-python@v4
	with:
	python-version: 3.11

	- name: Install dependencies
	run: \|
	pip install -r requirements.txt
	pip install jupyter-book

	- name: Check Jupyter Book version
	run: jupyter-book --version

	- name: Build the book
	run: jupyter-book build ./chapters

	- name: Debug - Check if HTML build exists
	run: ls -la chapters/_build/html \|\| echo "HTML build directory missing!"

	- name: Upload artifact
	uses: actions/upload-pages-artifact@v3
	with:
	name: "github-pages"
	path: "chapters/_build/html"

	- name: Debug - List uploaded artifacts
	run: ls -la ${{ runner.temp }}/pages-artifact/ \|\| echo "No artifacts uploaded!"

	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4
	with:
	artifact_name: "github-pages"

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