traefik/docs/content/observability/tracing/elastic.md

# Elastic

To enable the Elastic tracer:

```yaml tab="File (YAML)"
tracing:
  elastic: {}
```

```toml tab="File (TOML)"
[tracing]
  [tracing.elastic]
```

```bash tab="CLI"
--tracing.elastic=true
```

#### `serverURL`

_Optional, Default="http://localhost:8200"_

URL of the Elastic APM server.

```yaml tab="File (YAML)"
tracing:
  elastic:
    serverURL: "http://apm:8200"
```

```toml tab="File (TOML)"
[tracing]
  [tracing.elastic]
    serverURL = "http://apm:8200"
```

```bash tab="CLI"
--tracing.elastic.serverurl="http://apm:8200"
```

#### `secretToken`

_Optional, Default=""_

Token used to connect to Elastic APM Server.

```yaml tab="File (YAML)"
tracing:
  elastic:
    secretToken: "mytoken"
```

```toml tab="File (TOML)"
[tracing]
  [tracing.elastic]
    secretToken = "mytoken"
```

```bash tab="CLI"
--tracing.elastic.secrettoken="mytoken"
```

#### `serviceEnvironment`

_Optional, Default=""_

Environment's name where Traefik is deployed in, e.g. `production` or `staging`.

```yaml tab="File (YAML)"
tracing:
  elastic:
    serviceEnvironment: "production"
```

```toml tab="File (TOML)"
[tracing]
  [tracing.elastic]
    serviceEnvironment = "production"
```

```bash tab="CLI"
--tracing.elastic.serviceenvironment="production"
```

### Further

Additional configuration of Elastic APM Go agent can be done using environment variables.
See [APM Go agent reference](https://www.elastic.co/guide/en/apm/agent/go/current/configuration.html).