direction: down

h1: "Hôte 1 (worker node)" {
  web: "web-frontend\n10.0.0.2"
  api: "api-service\n10.0.0.3"
}
h2: "Hôte 2 (worker node)" {
  db: "database\n10.0.0.4"
  redis: "cache-redis\n10.0.0.5"
}

overlay: "Réseau overlay my_overlay (10.0.0.0/24)\ncommunication par nom entre hôtes" { class: accent }
tunnel: "Tunnel VXLAN chiffré (IPsec optionnel)"
manager: "Docker Swarm Manager" { class: muted }

h1.web -- overlay
h1.api -- overlay
h2.db -- overlay
h2.redis -- overlay
h1 -- tunnel
h2 -- tunnel
tunnel -- manager