digraph docker { "app2" [label="app2\n878602c44611",shape=box,fillcolor="lightgrey",style="filled,rounded"]; "app1" [label="app1\n6a2fa6a3c2d4",shape=box,fillcolor="paleturquoise",style="filled,rounded"]; "redis" -> "app1" [label = " db" ] "redis" -> "app2" [label = " db" ] "redis" [label="redis\n5d7e818a4ea3",shape=box,fillcolor="paleturquoise",style="filled,rounded"]; }