doc: add metrics server configuration docs

Signed-off-by: Xe Iaso <me@xeiaso.net>
This commit is contained in:
Xe Iaso
2026-04-21 15:25:19 -04:00
parent fa5ceedf23
commit 33bc4669cb
3 changed files with 27 additions and 5 deletions
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@@ -11,14 +11,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased] ## [Unreleased]
<!-- This changes the project to: -->
- Move metrics server configuration to [the policy file](./admin/policies.mdx#metrics-server).
- Expose [pprof endpoints](https://pkg.go.dev/net/http/pprof) on the metrics listener to enable profiling Anubis in production. - Expose [pprof endpoints](https://pkg.go.dev/net/http/pprof) on the metrics listener to enable profiling Anubis in production.
- fix: prevent nil pointer panic in challenge validation when threshold rules match during PassChallenge (#1463) - fix: prevent nil pointer panic in challenge validation when threshold rules match during PassChallenge (#1463)
- Instruct reverse proxies to not cache error pages. - Instruct reverse proxies to not cache error pages.
- Fixed mixed tab/space indentation in Caddy documentation code block - Fixed mixed tab/space indentation in Caddy documentation code block
- Improve error messages and fix broken REDIRECT_DOMAINS link in docs ([#1193](https://github.com/TecharoHQ/anubis/issues/1193)) - Improve error messages and fix broken REDIRECT_DOMAINS link in docs ([#1193](https://github.com/TecharoHQ/anubis/issues/1193))
- Add Bulgarian locale ([#1394](https://github.com/TecharoHQ/anubis/pull/1394)) - Add Bulgarian locale ([#1394](https://github.com/TecharoHQ/anubis/pull/1394))
<!-- This changes the project to: -->
- Fix CEL internal errors when iterating `headers`/`query` map wrappers by implementing map iterators for `HTTPHeaders` and `URLValues` ([#1465](https://github.com/TecharoHQ/anubis/pull/1465)). - Fix CEL internal errors when iterating `headers`/`query` map wrappers by implementing map iterators for `HTTPHeaders` and `URLValues` ([#1465](https://github.com/TecharoHQ/anubis/pull/1465)).
## v1.25.0: Necron ## v1.25.0: Necron
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@@ -87,8 +87,8 @@ Anubis uses these environment variables for configuration:
| `ED25519_PRIVATE_KEY_HEX_FILE` | unset | Path to a file containing the hex-encoded ed25519 private key. Only one of this or its sister option may be set. **Required when using persistent storage backends** (like bbolt) to ensure challenges survive service restarts. When running multiple instances on the same base domain, the key must be the same across all instances. | | `ED25519_PRIVATE_KEY_HEX_FILE` | unset | Path to a file containing the hex-encoded ed25519 private key. Only one of this or its sister option may be set. **Required when using persistent storage backends** (like bbolt) to ensure challenges survive service restarts. When running multiple instances on the same base domain, the key must be the same across all instances. |
| `ERROR_TITLE` | unset | <EO /> If set, override the translation stack to show a custom title for error pages such as "Something went wrong!". See [Customizing messages](./botstopper.mdx#customizing-messages) for more details. | | `ERROR_TITLE` | unset | <EO /> If set, override the translation stack to show a custom title for error pages such as "Something went wrong!". See [Customizing messages](./botstopper.mdx#customizing-messages) for more details. |
| `JWT_RESTRICTION_HEADER` | `X-Real-IP` | If set, the JWT is only valid if the current value of this header matches the value when the JWT was created. You can use it e.g. to restrict a JWT to the source IP of the user using `X-Real-IP`. | | `JWT_RESTRICTION_HEADER` | `X-Real-IP` | If set, the JWT is only valid if the current value of this header matches the value when the JWT was created. You can use it e.g. to restrict a JWT to the source IP of the user using `X-Real-IP`. |
| `METRICS_BIND` | `:9090` | The network address that Anubis serves Prometheus metrics on. See `BIND` for more information. | | `METRICS_BIND` | `:9090` | The legacy configuration value for the network address that Anubis serves Prometheus metrics on. Please migrate this to [the policy file](./policies.mdx#metrics-server) as soon as possible. |
| `METRICS_BIND_NETWORK` | `tcp` | The address family that the Anubis metrics server listens on. See `BIND_NETWORK` for more information. | | `METRICS_BIND_NETWORK` | `tcp` | The legacy configuration value for the address family that Anubis serves Prometheus metrics on. Please migrate this to [the policy file](./policies.mdx#metrics-server) as soon as possible. |
| `OG_EXPIRY_TIME` | `24h` | The expiration time for the Open Graph tag cache. Prefer using [the policy file](./configuration/open-graph.mdx) to configure the Open Graph subsystem. | | `OG_EXPIRY_TIME` | `24h` | The expiration time for the Open Graph tag cache. Prefer using [the policy file](./configuration/open-graph.mdx) to configure the Open Graph subsystem. |
| `OG_PASSTHROUGH` | `false` | If set to `true`, Anubis will enable Open Graph tag passthrough. Prefer using [the policy file](./configuration/open-graph.mdx) to configure the Open Graph subsystem. | | `OG_PASSTHROUGH` | `false` | If set to `true`, Anubis will enable Open Graph tag passthrough. Prefer using [the policy file](./configuration/open-graph.mdx) to configure the Open Graph subsystem. |
| `OG_CACHE_CONSIDER_HOST` | `false` | If set to `true`, Anubis will consider the host in the Open Graph tag cache key. Prefer using [the policy file](./configuration/open-graph.mdx) to configure the Open Graph subsystem. | | `OG_CACHE_CONSIDER_HOST` | `false` | If set to `true`, Anubis will consider the host in the Open Graph tag cache key. Prefer using [the policy file](./configuration/open-graph.mdx) to configure the Open Graph subsystem. |
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@@ -117,6 +117,27 @@ remote_addresses:
- 100.64.0.0/10 - 100.64.0.0/10
``` ```
## Metrics server
Anubis includes support for [Prometheus-style metrics](https://prometheus.io/docs/introduction/overview/), allowing systems administrators to monitor Anubis' performance and effectiveness. This is a separate HTTP server with metrics, health checking, and debug routes.
Anubis' metrics server is configured with the `metrics` block in the configuration file:
```yaml
metrics:
bind: ":9090"
network: "tcp"
```
If you want to bind metrics to a Unix socket, make sure to set the network to `unix` and add a socket mode:
```yaml
metrics:
bind: "/tmp/anubis_metrics.sock"
network: unix
socketMode: "0700" # must be a string
```
## Imprint / Impressum support ## Imprint / Impressum support
Anubis has support for showing imprint / impressum information. This is defined in the `impressum` block of your configuration. See [Imprint / Impressum configuration](./configuration/impressum.mdx) for more information. Anubis has support for showing imprint / impressum information. This is defined in the `impressum` block of your configuration. See [Imprint / Impressum configuration](./configuration/impressum.mdx) for more information.