====================
Environment Variable
====================

example.com

root * {$ROOT}

---

(source_file
	(sites
		(single_site
			(site_address)
			(directive
				(directive_name)
				(matcher)
				(environment_variable)))))

=======================================
Environment Variable with Default Value
=======================================

example.com

root * {$ROOT:/var/www}

---

(source_file
	(sites
		(single_site
			(site_address)
			(directive
				(directive_name)
				(matcher)
				(environment_variable)))))
