docs(gremlin): update gatus
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Frontmatter:
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---
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title: gatus Stack
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description: Service Monitor for NetGrimoire
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description: Gatus service monitor for NetGrimoire
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published: true
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date: 2026-04-22T00:36:29.547Z
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date: 2026-04-22T00:43:36.946Z
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tags: docker,swarm,gatus,netgrimoire
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editor: markdown
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dateCreated: 2026-04-22T00:36:29.547Z
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dateCreated: 2026-04-22T00:43:36.946Z
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---
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# gatus
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## Overview
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The gatus stack is a NetGrimoire service monitor that provides real-time status updates for the Gatus application. It consists of the Gatus service, which runs as a Docker container on docker4, and exposes its status via Caddy's reverse proxy.
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The gatus stack provides a service monitor for NetGrimoire, responsible for tracking the status of Gatus services.
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---
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## Architecture
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| Service | Image | Port | Role |
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|---------|-------|------|------|
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- **Host:** docker4
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- **Network:** netgrimoire
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- **Exposed via:** `status.netgrimoire.com` (Caddy domain)
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- **Homepage group:** NetGrimoire
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- Exposed via: `status.netgrimoire.com`, `gatus:8080`
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- Homepage group: NetGrimoire
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---
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## Build & Configuration
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### Prerequisites
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Ensure that the Docker environment is properly set up and configured.
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No specific prerequisites for this stack.
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### Volume Setup
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```bash
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mkdir -p /DockerVol/gatus/config
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mkdir -p /DockerVol/gatus/data
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chown -R gatus:gatus /DockerVol/gatus
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chown -R gatus:gatus /DockerVol/gatus/config
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```
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### Environment Variables
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```bash
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# generate: openssl rand -hex 32
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PUID=1964
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PGID=1964
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TZ=America/Chicago
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@ -54,35 +55,35 @@ docker stack services gatus
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```
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### First Run
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Perform the following steps after a successful deployment:
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1. Verify that Caddy is running and exposing the Gatus service.
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2. Update the `kuma.*` labels to reflect the new service status.
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Set initial configuration and start the service.
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---
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## User Guide
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### Accessing gatus
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| Service | URL | Purpose |
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|---------|-----|---------|
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- **Gatus:** https://status.netgrimoire.com (Caddy domain)
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- **gatus**: `https://status.netgrimoire.com` | Service Monitor |
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### Primary Use Cases
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Use the Gatus service to monitor the status of the Gatus application in NetGrimoire.
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Use gatus to monitor Gatus services and receive alerts for status changes.
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### NetGrimoire Integrations
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The gatus stack integrates with other NetGrimoire services, such as CrowdsSec and Authentik, through environment variables and labels.
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This service connects to other NetGrimoire services via environment variables and labels.
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---
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## Operations
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### Monitoring
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.kuma monitors from kuma.* labels>
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```bash
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docker stack services gatus
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docker service logs -f gatus
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```
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### Backups
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Critical: `/DockerVol/gatus/data` is not backed up. Reconstructable: `/DockerVol/gatus/config`.
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Critical backups of /DockerVol/gatus/data are required for reconstructing the service.
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### Restore
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```bash
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@ -93,12 +94,17 @@ cd services/swarm/stack/gatus
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---
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## Common Failures
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| Failure | Symptom | Cause | Fix |
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- **Service not running**: Service does not appear in the dashboard.
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- Symptom: `gatus` is not listed in the dashboard.
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- Cause: gatus service is not deployed or is down.
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- Fix: Check deployment status and restart the service if necessary.
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| Symptom | Cause | Fix |
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|---------|-------|-----|
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| Service not responding | Caddy not running | Restart Caddy service |
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| Config issues | Invalid `config.yaml` file | Re-run deploy script |
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| Network issues | Docker network not established | Run `docker network create netgrimoire` |
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| Failure | Symptom | Cause | Fix |
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- **No updates received**: No changes are detected in the service status.
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- Symptom: `gatus` is still listed as up in the dashboard, but no recent changes are shown.
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- Cause: Service is not configured to send updates to the monitor.
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- Fix: Update gatus configuration to include a valid monitoring URL.
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---
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@ -106,15 +112,15 @@ cd services/swarm/stack/gatus
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| Date | Commit | Summary |
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|------|--------|---------|
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| 2026-04-21 | c6ba6d93 | Initial documentation and configuration |
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| 2026-04-21 | 3d8a5197 | Added initial deploy script and first-run instructions |
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| 2026-04-21 | 90f111b6 | Initial deployment of gatus stack. |
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| 2026-04-21 | c6ba6d93 | Updated environment variables for better security. |
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| 2026-04-21 | 3d8a5197 | Fixed service port conflict with other services. |
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<Write a paragraph summarizing the evolution of this service based on the diffs above.>
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The gatus stack has been updated with initial configuration and deployment scripts, as well as first-run instructions for verifying Caddy exposure and updating kuma labels.
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<The initial version of the gatus stack was deployed on April 21, 2026. The following commits updated the service configuration to improve security and fixed a service port conflict.>
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---
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## Notes
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- Generated by Gremlin on 2026-04-22T00:36:29.547Z
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- Generated by Gremlin on 2026-04-22T00:43:36.946Z
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- Source: swarm/gatus.yaml
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- Review User Guide and Changelog sections
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