Initial skeleton: infrastructure/README.md

infrastructure/README.md

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+# Infrastructure — Topology & Configuration Index
+
+This directory documents the Daystrom Institute's physical and logical infrastructure: network design, DNS, storage architecture, and Docker Swarm topology.
+
+---
+
+## Sections
+
+| Topic | Document | Description |
+|-------|----------|-------------|
+| Network | [network.md](network.md) | VLAN layout, subnets, firewall zones |
+| DNS | [dns.md](dns.md) | Internal/external DNS zones, resolver config |
+| Storage | [storage.md](storage.md) | NAS, volume mounts, backup policy |
+| Docker Swarm | [swarm.md](swarm.md) | Manager/worker nodes, overlay networks, stack layout |
+
+> **Note:** Individual topic documents are placeholders — create each file and populate as the topology is documented.
+
+---
+
+## Quick Reference
+
+| Resource | Value |
+|----------|-------|
+| Primary domain | `<!-- domain -->` |
+| Management subnet | `<!-- cidr -->` |
+| Swarm manager(s) | `<!-- hostnames -->` |
+| NAS endpoint | `<!-- host/path -->` |
+
+---
+
+## Topology Diagram
+
+```
+<!-- Insert ASCII or linked diagram here -->
+```
+
+---
+
+*Directory last reviewed: <!-- date -->*