Erich Blume 5c79a8dbe2 Add doc-random task and documentation improvements (#98 )

## Summary
- Add `doc-random` mise task that selects a random documentation card for review
- Add how-to/knowledgebase section with review-documentation guide
- Add Caddy reference card with proxy configuration details
- Fix replication tutorial sequence (tailscale-setup now links to core-services)
- Fix "BluemeOps" typo in tailscale-setup
- Clean up obsolete zk/ directory references from doc-links

## Deployment and Testing
- [x] `mise run doc-random` works and displays a random card
- [x] `mise run doc-links` passes (all wiki-links valid)
- [x] Pre-commit hooks pass

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Reviewed-on: https://forge.ops.eblu.me/eblume/blumeops/pulls/98

2026-02-03 21:17:58 -08:00

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title

Caddy

Reverse proxy for *.ops.eblu.me services with automatic TLS via ACME DNS-01.

Quick Reference

Property	Value
Domain	`*.ops.eblu.me`
HTTPS Port	443
Config	`ansible/roles/caddy/templates/Caddyfile.j2`
Binary	Custom build with Gandi DNS plugin

Why Caddy?

Caddy provides a single TLS termination point for all BlumeOps services:

Wildcard certificate for *.ops.eblu.me via Let's Encrypt
DNS-01 challenge using Gandi API (no port 80 needed)
Unified access from k8s pods, containers, and tailnet clients

See routing for when to use *.ops.eblu.me vs *.tail8d86e.ts.net.

Proxied Services

Indri-Local Services

Subdomain	Backend	Service
`forge.ops.eblu.me`	`localhost:3001`	forgejo
`registry.ops.eblu.me`	`localhost:5050`	zot
`jellyfin.ops.eblu.me`	`localhost:8096`	jellyfin

Kubernetes Services

K8s services are proxied via their Tailscale Ingress endpoints:

Subdomain	Backend	Service
`grafana.ops.eblu.me`	`grafana.tail8d86e.ts.net`	grafana
`argocd.ops.eblu.me`	`argocd.tail8d86e.ts.net`	argocd
`docs.ops.eblu.me`	`docs.tail8d86e.ts.net`	docs
`feed.ops.eblu.me`	`feed.tail8d86e.ts.net`	miniflux
...	...	(see defaults/main.yml for full list)

TCP Services (Layer 4)

Port	Backend	Service
2222	`localhost:2200`	Forgejo SSH
5432	`pg.tail8d86e.ts.net:5432`	postgresql

Configuration

Caddy is managed via the caddy Ansible role:

# Deploy caddy changes
mise run provision-indri -- --tags caddy

Key files:

ansible/roles/caddy/defaults/main.yml - Service definitions
ansible/roles/caddy/templates/Caddyfile.j2 - Caddy config template

Secrets

Secret	Source	Description
`GANDI_BEARER_TOKEN`	1Password	API token for DNS-01 challenges

The token is written to ~/.config/caddy/gandi-token (chmod 0600) and sourced by the Caddy wrapper script.

Custom Build

Caddy is built from source with the Gandi DNS plugin:

# Build location
~/code/3rd/caddy/bin/caddy

The build includes the github.com/caddy-dns/gandi plugin for ACME DNS-01 challenges.

routing - Service routing architecture
forgejo - Git forge (proxied by Caddy)
zot - Container registry (proxied by Caddy)
tailscale-operator - K8s services use Tailscale Ingress, then Caddy

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