metricbeat: Improve README, add notes about config

parent f592f221
......@@ -6,15 +6,31 @@ and ships them to the output that you specify, such as Elasticsearch or Logstash
## Usage
If you want to include the Metricbeat extension, run Docker Compose from the root of the repository with an additional
command line argument referencing the `metricbeat-compose.yml` file:
To include Metricbeat in the stack, run Docker Compose from the root of the repository with an additional command line
argument referencing the `metricbeat-compose.yml` file:
```bash
```console
$ docker-compose -f docker-compose.yml -f extensions/metricbeat/metricbeat-compose.yml up
```
## Documentation
## Configuring Metricbeat
[Official Docs](https://www.elastic.co/guide/en/beats/metricbeat/current/metricbeat-overview.html)
[Running on Docker](https://www.elastic.co/guide/en/beats/metricbeat/current/running-on-docker.html)
[Configuration reference](https://www.elastic.co/guide/en/beats/metricbeat/master/metricbeat-reference-yml.html)
The Metricbeat configuration is stored in [`config/metricbeat.yml`](./config/metricbeat.yml). You can modify this file
with the help of the [Configuration reference][metricbeat-config].
Any change to the Metricbeat configuration requires a restart of the Metricbeat container:
```console
$ docker-compose -f docker-compose.yml -f extensions/metricbeat/metricbeat-compose.yml restart metricbeat
```
Please refer to the following documentation page for more details about how to configure Metricbeat inside a
Docker container: [Run Metricbeat on Docker][metricbeat-docker].
## See also
[Metricbeat documentation][metricbeat-doc]
[metricbeat-config]: https://www.elastic.co/guide/en/beats/metricbeat/master/metricbeat-reference-yml.html
[metricbeat-docker]: https://www.elastic.co/guide/en/beats/metricbeat/current/running-on-docker.html
[metricbeat-doc]: https://www.elastic.co/guide/en/beats/metricbeat/current/index.html
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