Add new GIF asset and enhance image optimization process #129

	name: Build and Deploy MkDocs

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	permissions:
	contents: write

	jobs:
	build-docs:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.12'

	- name: Cache and install system dependencies for social cards
	uses: awalsh128/cache-apt-pkgs-action@latest
	with:
	packages: libcairo2-dev libfreetype6-dev libffi-dev libjpeg-dev libpng-dev libz-dev
	version: 1.0

	- name: Install Poetry
	uses: snok/install-poetry@v1
	with:
	version: latest
	virtualenvs-create: true
	virtualenvs-in-project: true

	- name: Cache Poetry dependencies
	uses: actions/cache@v4
	with:
	path: \|
	~/.cache/pypoetry
	.venv
	key: ${{ runner.os }}-poetry-dev-${{ hashFiles('pyproject.toml') }}
	restore-keys: \|
	${{ runner.os }}-poetry-dev-
	${{ runner.os }}-poetry-

	- name: Install dependencies
	run: \|
	poetry config installer.parallel true
	poetry config cache-dir ~/.cache/pypoetry
	poetry install --only dev --no-root

	- name: Optimize images for web
	run: \|
	poetry run python tools/optimize_images.py --quality 75 --max-width 1600 --max-height 900 --overwrite

	- name: Build MkDocs site
	env:
	JUPYTER_PLATFORM_DIRS: 1 # Suppress Jupyter deprecation warnings
	run: \|
	poetry run mkdocs build --strict --verbose

	- name: Deploy to GitHub Pages
	uses: peaceiris/actions-gh-pages@v3
	if: github.event_name == 'push' && github.ref == 'refs/heads/main'
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./site
	cname: pytorchcourse.com

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