Build fix attempt #70

	name: Build Docusaurus on PR

	on:
	pull_request:
	branches: [main]
	types: [opened, synchronize, reopened]

	jobs:
	build:
	runs-on: ubuntu-latest
	# env:
	# NODE_OPTIONS: '--max-old-space-size=8192'

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '18'
	cache: 'npm'

	- name: Install dependencies
	run: npm ci

	- name: Build Docusaurus
	run: npm run build
	env:
	# original defaults https://github.com/facebook/docusaurus/blob/main/packages/docusaurus/src/ssg/ssgEnv.ts

	# GH Runner has only 4 cores https://docs.github.com/en/actions/reference/runners/github-hosted-runners
	DOCUSAURUS_SSR_CONCURRENCY: 1

	# Aligned with the one above
	DOCUSAURUS_SSG_WORKER_THREAD_COUNT: 1

	# Use 128MB per thread until it's recycled
	DOCUSAURUS_SSG_WORKER_THREAD_RECYCLER_MAX_MEMORY: 134217728

	- name: Upload build artifacts
	uses: actions/upload-artifact@v4
	with:
	name: docusaurus-build
	path: build/
	retention-days: 7

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