Fix MDX JSON-LD blocks using Head + JSON.stringify #19

	name: Build and Deploy Docusaurus (Strict FTPS via lftp)

	on:
	push:
	branches:
	- main

	concurrency:
	group: docusaurus-deploy
	cancel-in-progress: true

	jobs:
	build-and-deploy:
	runs-on: ubuntu-latest

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

	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: npm

	- name: Install and Build
	run: \|
	npm ci
	npm run build

	- name: Deploy via FTPS (explicit/21, strict, TLS1.2)
	env:
	FTP_HOST: ${{ secrets.FTP_HOST }}
	FTP_USER: ${{ secrets.FTP_USER }}
	FTP_PASS: ${{ secrets.FTP_PASS }}
	FTP_DIR: ${{ secrets.FTP_SERVER_DIR }} # must end with /
	run: \|
	sudo apt-get update -y && sudo apt-get install -y lftp ca-certificates
	lftp -u "$FTP_USER","$FTP_PASS" "ftp://$FTP_HOST:21" -e "
	set net:max-retries 2;
	set net:timeout 25;
	set ftp:passive-mode on;
	set ftp:prefer-epsv no; # avoid EPSV (common FTPS data TLS issue)
	set ftp:use-feat yes;
	set ftp:ssl-allow yes;
	set ftp:ssl-force yes; # explicit FTPS (AUTH TLS)
	set ftp:ssl-protect-data yes; # PROT P for data channel
	set ftp:ssl-protect-list yes;
	set ssl:verify-certificate yes; # strict certs
	set ssl:ca-file /etc/ssl/certs/ca-certificates.crt;
	set ssl:priority 'NORMAL:-VERS-TLS1.3'; # prefer TLS1.2 (some servers bug on 1.3 data)
	cd $FTP_DIR;
	mirror --reverse --delete --verbose \
	--transfer-all --parallel=2 \
	--exclude-glob .git* \
	--exclude-glob node_modules \
	./build/ ./
	bye
	"

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