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Frank e3eb5334cb feat: initialize serverAppConfigs with podman stacks for Dankserver and Dankclaw

- Dankserver stack: RomM, Copyparty, Calibre-Web, node-exporter
- Dankclaw stack: Gluetun VPN (SearXNG tunnel), SearXNG+Valkey, ComfyUI
  (CPU backend), OpenWebUI, Hermes, Gitea+Postgres (migrated), Caddy
  reverse proxy, Grafana+Prometheus+Loki+Alloy observability
- Caddyfiles with .local hostname convention and basicauth homepage
- bind-mount storage policy, no named volumes
- deploy.sh mirroring vllmScripts git workflow (push -> pull -> restart -> health)
- docs/ Obsidian vault: per-service docs from frank-default-small research
  subagents (promtail EOL -> Alloy; gitea SECRET_KEY preservation; ComfyUI --cpu)
- bats test suite at 6 seams — 22 tests green

2026-08-13 20:19:41 -07:00

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Loki

Loki is the log aggregation backend of the observability stack. It stores and queries container and system logs, and it feeds the log panels in Grafana. It replaces the need for a full ELK stack.

Host: Dankclaw — Docs: https://grafana.com/docs/loki/latest

Facts (from research)

Item	Value
Image	`grafana/loki:latest`
Port	3100 (host) → 3100 (container)
Mode	single-binary (all components in one process)
Storage	filesystem (bind mount)
Auth	`auth_enabled: false` (single-tenant homelab)
Schema	v13 / TSDB

Configuration

Config lives at shared/loki/loki-config.yaml. Key settings:

schema_config v13 with store: tsdb and filesystem object store.
compactor with retention_enabled: true so logs do not grow without bound.
replication_factor: 1 for a single instance.

Volumes

Container path	Host path (convention)
`/loki`	`/opt/loki/data`
`/etc/loki/loki-config.yaml`	`shared/loki/loki-config.yaml` (bind mount)

Healthcheck

Loki responds on /ready with 200.

Log Shipping

The Alloy agent on each host ships container and journal logs to Loki. Grafana queries Loki through the datasource in Observability.

Gotchas

Filesystem storage grows; enable compactor retention.
Loki and Promtail/Alloy must agree on the push URL: http://loki:3100/loki/api/v1/push.
For multi-host shipping, Loki's HTTP listener binds 0.0.0.0.

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