Erich Blume 254b93096a Phase 2: Add Reference section with 24 technical reference cards (#88 )

## Summary
- Create `docs/reference/` section with 24 technical reference cards
- Services (16): alloy, argocd, borgmatic, 1password, forgejo, grafana, jellyfin, kiwix, loki, miniflux, navidrome, postgresql, prometheus, teslamate, transmission, zot
- Infrastructure (3): hosts, tailscale, routing
- Kubernetes (2): cluster, apps
- Storage (2): sifaka, backups
- Update README to mark Phase 2 as complete
- Add towncrier changelog fragment

## Deployment and Testing
- [ ] Build docs locally to verify wiki-links resolve
- [ ] Deploy via ArgoCD and verify at docs.ops.eblu.me/reference/

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Reviewed-on: https://forge.ops.eblu.me/eblume/blumeops/pulls/88

2026-02-03 14:27:37 -08:00

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title

Backup Policy

Daily automated backups from infrastructure/indri to storage/sifaka NAS.

Schedule

Time	Frequency	System
2:00 AM	Daily	[[services/borgmatic

What Gets Backed Up

Directories

Path	Description	Priority
`~/code/personal/zk`	Zettelkasten notes	Critical
`/opt/homebrew/var/forgejo`	Git repositories	Critical
`~/.config/borgmatic`	Backup config	High
`~/Documents`	Personal documents	High
`~/Pictures`	Photos	Medium

Databases

Database	Host	Method
miniflux	[[services/postgresql	pg.ops.eblu.me]]
teslamate	[[services/postgresql	pg.ops.eblu.me]]

What Is NOT Backed Up

Data	Reason
ZIM archives (`~/transmission/`)	Re-downloadable via torrent
Prometheus metrics	Ephemeral, in k8s PVC
Loki logs	Ephemeral, in k8s PVC
devpi cache	Re-fetchable from PyPI

Retention Policy

Period	Retention
Daily	7 backups
Monthly	12 backups
Yearly	1000 backups

Backup Target

Repository: /Volumes/backups/borg/ on storage/sifaka

Monitoring

Metrics exposed to services/prometheus:

borgmatic_up - Repository accessible
borgmatic_last_archive_timestamp - Last backup time
borgmatic_repo_deduplicated_size_bytes - Disk usage

Dashboard: "Borgmatic Backups" in services/grafana

services/borgmatic - Backup system details
storage/sifaka - Backup storage
services/postgresql - Database backups

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