# Signal-REST notifications

The notification uses the [Signal REST API](https://github.com/bbernhard/signal-cli-rest-api).

You can send Signal notifications via the Signal REST API with the following settings.

## Configuration

!!! example "File"
    ```yaml
    notif:
      signalrest:
        endpoint: http://192.168.42.50:8080/v2/send
        number: "+00471147111337"
        recipients:
          - "+00472323111337"
        timeout: 10s
        templateBody: |
          Docker tag {{ .Entry.Image }} which you subscribed to through {{ .Entry.Provider }} provider has been released.
    ```

| Name               | Default                            | Description                                                               |
|--------------------|------------------------------------|---------------------------------------------------------------------------|
| `endpoint`         | `http://localhost:8080/v2/send`    | URL of the Signal REST API endpoint                                       |
| `number`[^1]       |                                    | The senders number you registered                                         |
| `recipients`[^1]   |                                    | A list of recipients, either phone numbers or group ID's                  |
| `timeout`          | `10s`                              | Timeout specifies a time limit for the request to be made                 |
| `tlsSkipVerify`    | `false`                            | Skip TLS certificate verification                                         |
| `tlsCaCertFiles`   |                                    | List of paths to custom CA certificate files to use for TLS verification  |
| `templateBody`[^1] | See [below](#default-templatebody) | [Notification template](../faq.md#notification-template) for message body |

!!! abstract "Environment variables"
    * `DIUN_NOTIF_SIGNALREST_ENDPOINT`
    * `DIUN_NOTIF_SIGNALREST_NUMBER`
    * `DIUN_NOTIF_SIGNALREST_RECIPIENTS_<KEY>`
    * `DIUN_NOTIF_SIGNALREST_TLSSKIPVERIFY`
    * `DIUN_NOTIF_SIGNALREST_TLSCACERTFILES`
    * `DIUN_NOTIF_SIGNALREST_TIMEOUT`

### Default `templateBody`

```
Docker tag {{ .Entry.Image }} which you subscribed to through {{ .Entry.Provider }} provider {{ if (eq .Entry.Status "new") }}is available{{ else }}has been updated{{ end }} on {{ .Entry.Image.Domain }} registry (triggered by {{ .Meta.Hostname }} host).
```

## Sample

The message you receive in your Signal App will look like this:

```text
Docker tag docker.io/diun/testnotif:latest which you subscribed to through file provider new has been updated on docker.io registry (triggered by 5bfaae601770 host).
```

[^1]: Value required