digraph techviz {
  graph [rankdir=LR, splines=ortho, nodesep=0.55, ranksep=0.85];
  node [fontname=Helvetica, fontsize=11, margin="0.18,0.12", style="rounded,filled", fillcolor=white, color="#2d4357", penwidth=1.5];
  edge [fontname=Helvetica, fontsize=10, color="#364b5f", penwidth=1.4, arrowsize=0.75];
  n0 [label="Browser", shape=box, style="rounded,dashed,filled"];
  n1 [label="edge nginx", shape=box, style="rounded,filled"];
  n2 [label="Traefik", shape=box, style="rounded,filled"];
  n3 [label="Pod", shape=box, style="rounded,filled"];
  n4 [label="앞단 selector", shape=box, style="rounded,filled"];
  n5 [label="nginx-1 · nginx-2", shape=box, style="rounded,filled"];
  n6 [label="selector가 새 SPOF", shape=box, style="rounded,filled"];
  n0 -> n1 [label="HTTPS", style=solid];
  n1 -> n2 [label="노드 선택 · HTTP", style=solid];
  n2 -> n3 [label="Ingress routing", style=solid];
  n4 -> n5 [label="nginx 선택", style=solid];
  n4 -> n6 [label="단일 selector", style=solid];
}