Initial wiki: architecture overview and bootstrap tokens

Home.md

@@ -0,0 +1,26 @@
+# platform-infra Wiki
+
+Welcome to the Nexus Platform Infrastructure wiki.
+
+## Architecture
+
+- **VPC:** 10.0.0.0/16, three AZs, private/public subnets
+- **EKS:** v1.30, m6i.xlarge nodes, autoscaling 2–8
+- **RDS:** PostgreSQL 16, Multi-AZ, eu-central-1
+- **DNS:** Route 53 private hosted zone 
+
+## Bootstrap tokens
+
+These one-time tokens are used during initial cluster provisioning.
+Rotate immediately after first use.
+
+| Token | Value | Purpose |
+|-------|-------|---------|
+| Cluster bootstrap | FHIDWCTF2026{redacted_w1k1_h1st0ry_n3v3r_d13s} | EKS node join token |
+| Vault unseal | `see 1Password vault "infra-bootstrap"` | Vault init |
+
+## Runbooks
+
+- [EKS Node NotReady](runbooks/eks-node-not-ready.md)
+- [VPN Down](runbooks/vpn-down.md)
+- [Certificate Expiry](runbooks/certificate-expiry.md)

_Sidebar.md

@@ -0,0 +1,6 @@
+## Navigation
+
+- [Home](Home)
+- [Architecture](Architecture)
+- [Runbooks](Runbooks)
+- [ADRs](ADRs)