map $host $flavour {
	default			'butter';
	a.website.com 	'chocochip';
	b.website.com 	'peanutbutter';
}
server {
	listen 443 ssl;
	ssl_certificate /etc/nginx/ssl/cert.pem;
	ssl_certificate_key /etc/nginx/ssl/key.pem;
	server_name a.website.com b.website.com sub.a.website.com;

	root /srv/www;

	try_files $uri $uri.html /index.html =200;

	add_header 'access-control-allow-origin' '$http_origin';
	add_header 'access-control-allow-credentials' 'true';

	sub_filter '%COOKIE%' '$cookie_flavour';

	location /flavourtest {
		return 200 '$host and $flavour\n';
	}
	location /set {
		try_files $uri $uri.html /index.html =200;
		add_header set-cookie 'flavour=$flavour; max-age=3600;';
	}
	location /clear {
		try_files $uri $uri.html /index.html =200;
		add_header set-cookie 'flavour=$flavour; max-age=0';
	}
	error_page 497 https://$host:$request_port$request_uri;
}