Aggregate response headers and body into a single response block

aggregate.vcl

vcl 4.0;

# If you set req.http.X-aggregate = "true", Varnish will aggregate
# the headers and response body into a single response block

# Point this back to Varnish
#backend loop {
#	.host = "127.0.0.1";
#	.port = "80";
#}

sub vcl_recv {
	if (req.http.X-aggregating == "true") {
		return (pass);
	}
}

sub vcl_backend_fetch {
	if (bereq.http.X-aggregate == "true" && !bereq.http.X-aggregating) {
		set bereq.http.X-aggregating = "true";
		set bereq.backend = loop;
	}
}

sub vcl_backend_response {
	if (bereq.http.X-aggregating == "true") {
		set beresp.do_stream = false;
	}
}