You can also pass in additional flags to `elasticsearch`:
```console
-$ docker run -d elasticsearch elasticsearch -Des.node.name="TestNode"
+$ docker run -d elasticsearch -Des.node.name="TestNode"
```
This image comes with a default set of configuration files for `elasticsearch`, but if you want to provide your own set of configuration files, you can do so via a volume mounted at `/usr/share/elasticsearch/config`:
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