caddyfile.actual

{
	debug
	admin off
	on_demand_tls {
		ask https://example.com
	}
}

(blocking) {  
	@blocked {
		path *.txt *.md *.mdown /site/*
	}
	redir @blocked /
}

example.com, fake.org, {$ENV_SITE} {
	root * /srv

	respond /get-env {$ENV_VAR}

	tls off

	route {
		# Add trailing slash for directory requests
		@canonicalPath {
			file {
				try_files {path}/index.php
			}
			not path */
		}
		redir @canonicalPath {path}/ 308

		# If the requested file does not exist, try index files
		@indexFiles {
			file {
				try_files {path} {path}/index.php index.php
				split_path .php
			}
		}
		rewrite @indexFiles {http.matchers.file.relative}

		# Proxy PHP files to the FastCGI responder
		@phpFiles {
			path *.php
		}
		reverse_proxy @phpFiles unix//var/run/php7.4-fpm.sock {
			transport fastcgi {
				split .php
			}
		}
	}

	@encode_exts {
		path / *.html *.js *.css *.svg
	}

	header {
		X-Content-Type-Options nosniff
		X-XSS-Protection "1; mode=block"
		X-Robots-Tag none
		Content-Security-Policy "frame-ancestors 'self'"
		X-Frame-Options DENY
		Referrer-Policy same-origin
	}

	@singleLine not path /matcher
	respond @singleLine "Awesome."

	import blocking

	file_server
}