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docs(infra): app4 + core-bu provisioning, migration plan, verified inventory

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- migration-plan-app4-core-bu-2026-09-15.md: 8-phase plan (Nuremberg decision,
  provider-diversity gap, acceptance criteria, rollback, DNS/Caddy checklist)
- core-service-inventory-2026-09-15: verified Core inventory, ~30 customer-facing
  services (the Aug 15 plan listed 5), 3 DocuSeal instances, TimeTrex Postgres,
  dead Caddy routes
- reference-update-matrix-2026-09-15: 52 artifacts that name a host
- fix naming collision: 6 files called the Hetzner box core-bu, the name core-bu
  now claims; app1-bu = 5.161.225.131, core-bu = 159.195.204.203 (netcup Nuremberg)
- correct the false provider-diversity claim (the standby is now netcup too)
- supersede app4-migration-plan.md (wrong region reported, silent on core-bu)
This commit is contained in:
ShoNuff
2026-09-15 10:19:46 -04:00
parent 199baadedc
commit cac3cde372
11 changed files with 1204 additions and 8 deletions
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docs/architecture.md
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@@ -14,7 +14,14 @@
| **app1** | 152.53.36.131 | RS 4000 G9.5 (12 vCPU EPYC, 32 GB RAM, 1 TB SSD) | netcup | Service hub — AI gateway, CRM, signing, TTS, auth, automation |
| **app2** | 152.53.39.202 | RS 4000 G9.5 (12 vCPU EPYC, 32 GB RAM, 1 TB SSD) | netcup | Infrastructure — Gitea, Hudu, Ubiquiti controllers, Traccar, DNS, SIEM |
| **app3** | 152.53.241.111 | RS 4000 G9.5 (12 vCPU EPYC, 32 GB RAM, 1 TB SSD) | netcup | Web hosting — CloudPanel CE (WordPress/static/PHP), client sites |
| **app1-bu** | 5.161.225.131 | CPX21 (3 vCPU, 4 GB RAM, 80 GB) | Hetzner | Warm standby — provider diversity. Auto-restores from S3. |
| **app1-bu** | 5.161.225.131 | CPX21 (3 vCPU, 4 GB RAM, 80 GB) | Hetzner | Warm standby for Core — **the only non-netcup box**. Auto-restores from S3. |
| **app4** | 159.195.205.80 | RS 4000 G12 (12 vCPU EPYC, 32 GB RAM, 1 TB NVMe) | netcup | **Customer-facing services** (migration target off Core). Nuremberg. Provisioned 2026-09-15. |
| **core-bu** | 159.195.204.203 | RS 2000 G12 (8 vCPU EPYC, 16 GB RAM, 503 GB) | netcup | **Core's warm standby** (new role, Nuremberg). Provisioned 2026-09-15. |
> **Provider diversity (2026-09-15):** the standby pair is now Core (netcup, Manassas) + **core-bu (netcup, Nuremberg)**. That gives
> **regional** separation but **not provider** separation: a netcup-wide incident affects both. `app1-bu` (Hetzner) is the only
> non-netcup box; provider diversity therefore depends on retaining it. Open decision — see
> `docs/infrastructure/migration-plan-app4-core-bu-2026-09-15.md` Q4.
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