fix: Clean up manager creation to avoid NPEs during background start #2153

	name: Docs Site

	on:
	push:
	branches:
	- main
	pull_request:
	release:
	types: [released]
	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	steps:
	- name: Checkout source
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Setup Docs Deploy
	run: \|
	git config --global user.name "GitHub Actions"
	git config --global user.email "noreply@github.com"

	- name: Get the latest tag
	run: \|
	git fetch --tags
	latest_tag=$(git tag -l \| sort -V \| tail -n 1)
	echo "latest tag: $latest_tag"
	echo "LATEST_TAG=$latest_tag" >> $GITHUB_ENV

	- name: Install docs dependencies
	working-directory: doc-site
	run: pip install -r requirements.txt

	- name: Update doc site for release
	if: github.event.action == 'released' && github.ref_name != env.LATEST_TAG
	working-directory: doc-site
	run: mike deploy ${{ github.event.release.tag_name }} --push

	- name: Update doc site for latest release
	if: github.event.action == 'released' && github.ref_name == env.LATEST_TAG
	working-directory: doc-site
	run: mike deploy ${{ github.event.release.tag_name }} latest -u --push

	- name: Update doc site for `main` branch
	if: ${{ github.event_name == 'push' }}
	working-directory: doc-site
	run: mike deploy head --push

	- name: Test building the doc site but do not deploy it
	if: ${{ github.event_name == 'pull_request' }}
	working-directory: doc-site
	run: mkdocs build

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