Collection of SLD (Styled Layer Descriptor) XML files and corresponding html files that demonstrate how to use elasticgeo/geoserver to generate WMS tiles from Elasticsearch aggregations.
Save the following as legend.xml under CATALINA_HOME/webapps/geoserver/data/layouts
<layout>
<decoration type="legend" affinity="top,right" offset="6,6" size="auto"/>
</layout>