Erich Blume b0bac91ca9 Fix frontmatter field name for Quartz date display (#158 )

## Summary

- Rename `date-modified` -> `modified` in all 80 docs and the `docs-check-frontmatter` task

Quartz's `CreatedModifiedDate` plugin recognizes `modified`, `lastmod`, `updated`, and `last-modified` — but not `date-modified`. The wrong field name caused Quartz to ignore frontmatter dates entirely and fall through to filesystem timestamps (UTC inside Dagger), showing Feb 12 on pages built late on Feb 11 PST.

## Test plan

- [x] `mise run docs-check-frontmatter` passes
- [ ] Kick off docs release after merge — verify rendered dates match frontmatter values

Reviewed-on: https://forge.ops.eblu.me/eblume/blumeops/pulls/158

2026-02-11 16:45:12 -08:00

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Grafana Alloy

Unified observability collector for metrics and logs with three deployments:

Indri (host) - System metrics and service logs from macOS host
Kubernetes (DaemonSet) - Automatic pod log collection and service health probes
Fly.io proxy (embedded) - nginx access log metrics and log forwarding from flyio-proxy

Quick Reference

Property	Value
Indri Binary	`~/.local/bin/alloy`
Indri Config	`~/.config/grafana-alloy/config.alloy`
K8s Namespace	`alloy`
K8s Image	`grafana/alloy:v1.8.2`
ArgoCD App	`alloy-k8s`
Fly.io Config	`fly/alloy.river`
Fly.io Image	`grafana/alloy:v1.5.1` (binary copied into nginx container)

Metrics Collected

From Indri

System metrics via prometheus.exporter.unix
Textfile collector: minikube.prom, borgmatic.prom, zot.prom, jellyfin.prom
Zot registry metrics from http://localhost:5050/metrics
Pushed to prometheus via remote_write

From Kubernetes

All pod logs via loki.source.kubernetes
Service health probes: miniflux, kiwix, transmission, devpi, argocd

From Fly.io Proxy

flyio_nginx_http_requests_total — request rate by status/method/host
flyio_nginx_http_request_duration_seconds — latency histogram
flyio_nginx_http_response_bytes_total — response bandwidth
flyio_nginx_cache_requests_total — cache HIT/MISS/EXPIRED counts
Pushed to prometheus via remote_write through caddy

Logs Collected

Brew services: forgejo, tailscale

mcquack LaunchAgents: alloy, borgmatic, zot, jellyfin

Logs pushed to loki at https://loki.tail8d86e.ts.net/loki/api/v1/push.

Fly.io proxy: nginx JSON access logs pushed to loki at https://loki.ops.eblu.me/loki/api/v1/push (via caddy).

Why Built from Source

The Homebrew bottle uses CGO_ENABLED=0, which breaks Tailscale MagicDNS. Building with CGO_ENABLED=1 uses the macOS native resolver.

Note: This may no longer be needed now that services use *.ops.eblu.me URLs (routed via Caddy) instead of *.tail8d86e.ts.net. Should be tested in the future.

prometheus - Metrics storage
loki - Log storage
grafana - Visualization

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