graph{
rankdir=TB;
margin=0;
subgraph {
	rank=same;
	c [label="Worker\nCelery"];
	s [label="Web-App\nFlask"];
}
subgraph{rank = max;
	db [label="DB\nRedis"];
	gg [label="Geogame log provider\nNginx"];
}
subgraph{
	rank=same;
in [label="Internal network",shape="note"];
	n [label="Static file server\nNginx"];
}
{rank=source;
t [label="HTTP frontend\nTraefik"];
}
/*{
	rank=same;
	b [label="Biogames"];
	g [label="Geogames server"];
};*/

/*s -- db [label="Internal network   "];
c -- db [];*/
t -- s [label=" External network,\nlabel"];
t -- n [];
c -- n [label="Shared volume               "];
/*s -- gg
c -- gg [];*/
s -- in;
c -- in;
db --in;
gg -- in;
}