From the docs this should do:
@startuml
nwdiag {
internet [ shape = cloud];
internet -- ingress;
group {
app;
db;
}
network proxy {
app;
ingress;
}
network default {
app;
db;
}
}
}
@enduml
But it looks like this:

Without group the structure is ok:
@startuml
nwdiag {
internet [ shape = cloud];
internet -- ingress;
network proxy {
app;
ingress;
}
network default {
app;
db;
}
}
}
@enduml
produces:

From the docs this should do:
But it looks like this:

Without
groupthe structure is ok:produces:
