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# Homepage Configuration — Netgrimoire Command Center
## Overview
Homepage (`ghcr.io/gethomepage/homepage`) runs as a Docker Swarm service on `znas`, pinned to port `3056:3000` and accessible at `https://homepage.netgrimoire.com`.
Config files live at `/DockerVol/homepage/config/`. Images live at `/DockerVol/homepage/images/` (mounted as `/app/public/images:ro`).
---
## Tab Structure
| Tab | Groups |
|-----|--------|
| Glance | Glance (iframe) |
| Netgrimoire | Applications, Gremlin, Monitoring, Management, Backup, Mail Services, Remote Access, Services |
| PNCHarris | PNCHarris Apps |
| Wasted-Bandwidth | Jolly Roger, Downloaders, VPN Protected Apps, Media Management, Media Search |
| Nucking-Futz | Nucking Apps, Entertainment |
---
## Compose File
```yaml
# swarm/homepage.yaml
services:
homepage:
image: ghcr.io/gethomepage/homepage:latest
environment:
- HOMEPAGE_ALLOWED_HOSTS=homepage.netgrimoire.com,glance.netgrimoire.com
- HOMEPAGE_VAR_MAILCOW_KEY=<mailcow-api-key>
- HOMEPAGE_VAR_DNS_TOKEN=<technitium-token>
- HOMEPAGE_VAR_OPNSENSE_USER=<opnsense-api-key>
- HOMEPAGE_VAR_OPNSENSE_PASS=<opnsense-api-secret>
- HOMEPAGE_VAR_IMMICH_KEY=<immich-api-key>
ports:
- 3056:3000
volumes:
- /DockerVol/homepage/config:/app/config
- /DockerVol/homepage/images:/app/public/images:ro
- /var/run/docker.sock:/var/run/docker.sock:ro
networks:
- netgrimoire
deploy:
placement:
constraints:
- node.hostname == znas
labels:
caddy: homepage.netgrimoire.com
caddy.reverse_proxy: homepage:3000
caddy.import: crowdsec
caddy.import_1: authentik
kuma.homepage.http.name: Homepage
kuma.homepage.http.url: https://homepage.netgrimoire.com
diun.enable: "true"
```
**Important:** API keys go directly in the `environment:` block (not `env_file:`) because Docker Swarm's `env_file` is only read at deploy time from the deploying machine — not by the container at runtime.
---
## API Keys
| Variable | Source | Where to Generate |
|----------|--------|-------------------|
| `HOMEPAGE_VAR_MAILCOW_KEY` | Mailcow | Admin UI → API |
| `HOMEPAGE_VAR_DNS_TOKEN` | Technitium | Administration → API Tokens |
| `HOMEPAGE_VAR_OPNSENSE_USER` | OPNsense API key | System → Access → Users → edit user → API Keys |
| `HOMEPAGE_VAR_OPNSENSE_PASS` | OPNsense API secret | Same as above (one-time download) |
| `HOMEPAGE_VAR_IMMICH_KEY` | Immich | User Settings → API Keys |
**OPNsense note:** The widget uses API key/secret pairs, not admin credentials. Create a dedicated `homepage` user with Audit group membership and generate an API key on that user.
---
## settings.yaml — Group Layout
All groups must be registered in `settings.yaml` with `style: column`. Any group discovered via Docker labels that is **not** listed here will default to full-width (stretching across all columns).
```yaml
layout:
Glance:
tab: Glance
header: false
Applications:
tab: Netgrimoire
style: column
Gremlin:
tab: Netgrimoire
style: column
# ... all groups must be listed
```
**Rule:** Whenever you add a new `homepage.group=Something` label to a Swarm service, add a matching entry to `settings.yaml`.
---
## widgets.yaml — Global Info Bar
```yaml
- logo:
icon: /images/gremlin-badge.png
- greeting:
text_size: xl
text: "NetGrimoire"
- datetime:
text_size: l
format:
dateStyle: long
timeStyle: short
hour12: true
- resources:
label: ZNAS
cpu: true
memory: true
disk: /
uptime: true
refresh: 5000
- resources:
label: Hermes
cpu: true
memory: true
cputemp: true
uptime: true
refresh: 5000
- resources:
label: Docker5
cpu: true
memory: true
uptime: true
refresh: 5000
- openmeteo:
label: Pensacola
latitude: 30.42
longitude: -87.21
units: imperial
cache: 5
- search:
provider: duckduckgo
target: _blank
```
**Note:** Resource widgets currently show stats for the Homepage host only. Deploy the Homepage agent on each node for true per-node metrics.
---
## Branding — Gremlin Images
| File | Usage |
|------|-------|
| `/DockerVol/homepage/images/gremlin-badge.png` | Logo widget (circular badge) |
| `/DockerVol/homepage/images/gremlin-scene.png` | Gremlin AI service card background |
After adding new images, restart the Homepage container — Next.js static server does not pick up new files without a restart.
---
## Service Widgets
| Service | Widget Type | URL |
|---------|-------------|-----|
| Mailcow | `customapi` | `http://192.168.5.16/api/v1/get/domain/all` |
| Technitium | `customapi` | `http://192.168.5.7:5380/api/dashboard/stats/get` |
| OPNsense | `opnsense` | `https://192.168.3.4:8443` |
| Immich | `immich` | `https://immich.netgrimoire.com` |
| Jackett | `jackett` | `http://gluetun:9117` |
| Radarr | `radarr` | `http://radarr:7878` |
| Sonarr | `sonarr` | `http://sonarr:8989` |
| SABnzbd | `sabnzbd` | `http://sabnzbd:8080` |
**Mailcow widget note:** The native `mailcow` widget type is broken with Mailcow 2025+ (API endpoint `/api/v1/get/mailboxes` was removed). Use `customapi` pointing at `/api/v1/get/domain/all` instead.
---
## custom.css — Key Sections
The CSS uses a Netgrimoire dark ops aesthetic with per-tab color theming:
| Tab | Accent Color |
|-----|-------------|
| Netgrimoire | Teal (`#00e5cc`) |
| Wasted-Bandwidth | Amber (`#ffaa00`) |
| Nucking-Futz | Red (`#ff4455`) |
| PNCHarris | Teal (narrow column layout) |
**Critical fix:** `html, body, body > div { background-color: transparent !important; }` must be present or Homepage's root div paints over the body background, hiding tab background images.
**Card layout:** Groups use `style: column` in settings.yaml. The CSS does not override the grid — Homepage's own Tailwind layout handles column placement.
---
## Troubleshooting
| Problem | Cause | Fix |
|---------|-------|-----|
| Card stretches full width | Group not in settings.yaml | Add group with `style: column` |
| Background image not showing | Missing transparent fix in CSS | Add `html, body, body > div { background-color: transparent !important }` |
| Widget shows API error | Wrong URL or missing API key | Check env vars and use internal container URLs |
| Logo not showing | Image not in `/app/public/images` | Copy to `/DockerVol/homepage/images/` and restart container |
| New image not loading | Next.js static cache | Restart the Homepage container after adding images |