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Update documentation and guides for the monitoring dashboard

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- Revised environment variables reference to clarify `HAPROXY_STATS_CORS_ORIGIN` requirements for the dashboard.
- Enhanced README with details about the real-time monitoring dashboard and its capabilities.
- Added a new "Monitoring Dashboard" guide, providing setup steps, login instructions, and feature overviews.
- Included images for dashboard visuals (`dashboard_thumbnail.png`, `dashboard_login.png`).
This commit is contained in:
Joao Gilberto Magalhaes 2026-02-22 20:20:00 -05:00
parent 4dda1ed631
commit d926cd7e69
5 changed files with 158 additions and 4 deletions
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docs/reference/environment-variables.md
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@ -19,11 +19,14 @@ sidebar_label: "Environment Variables"
| HAPROXY_USERNAME | (Optional) The HAProxy username for the statistics endpoint (used only when `HAPROXY_PASSWORD` is set). | `admin` |
| HAPROXY_PASSWORD | (Optional) The HAProxy password to the statistics endpoint. Stats are **disabled** unless this is defined. | *empty* |
| HAPROXY_STATS_PORT | (Optional) The HAProxy port to the statistics. If set to `false`, disable statistics. Only applies when `HAPROXY_PASSWORD` is defined. | `1936` |
| HAPROXY_STATS_CORS_ORIGIN | (Optional) Enable CORS for the HAProxy stats dashboard by specifying the allowed origin (e.g., `http://localhost:3000`). Only applies when `HAPROXY_PASSWORD` is defined. | *empty* |
| HAPROXY_STATS_CORS_ORIGIN | Required for the monitoring dashboard to function. Set to the origin you use to open the dashboard (e.g. `http://localhost:11936`). The dashboard page calls the stats API from a different port, so the browser enforces CORS — without this header the dashboard shows no data. Only applies when `HAPROXY_PASSWORD` is defined. | *empty* |
| HAPROXY_CUSTOMERRORS | (Optional) If HAProxy will use custom HTML errors. true/false. | `false` |
:::tip HAProxy Stats
Statistics are only configured when `HAPROXY_PASSWORD` is set. Without a password, the stats section is not generated.
:::tip HAProxy Stats & Dashboard
Statistics are only configured when `HAPROXY_PASSWORD` is set. Without a password, neither the
stats endpoint nor the monitoring dashboard is generated.
When enabled, the real-time dashboard is available at `http://<host>:<HAPROXY_STATS_PORT + 10000>/`
(default `http://<host>:11936/`). See the [Monitoring Dashboard guide](../guides/dashboard.md) for details.
:::
:::note ACME/Certbot Environment Variables