graph {
	graph [rankdir=BT; nodesep=0.75; ranksep=0.5]
	node [shape=box]

	client -- relayd [label="HTTPS"]
	relayd -- httpd [label="HTTP\nstatic html"]
	relayd --buthd [label="HTTP\nhtmx frags\napi"]
	buthd -- authfs [label="9P"]
	buthd -- shopfs [label="9P"]

	subgraph cluster_lan {
		relayd, httpd, buthd, authfs, shopfs
		{node [shape=cylinder]; authfs, shopfs}
	}
}