global.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- global.xml -->
<mule xmlns:http="http://www.mulesoft.org/schema/mule/http"
      xmlns="http://www.mulesoft.org/schema/mule/core"
      xmlns:websocket="http://www.mulesoft.org/schema/mule/websocket" 
      xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="
              http://www.mulesoft.org/schema/mule/http                    
              http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd 
		http://www.mulesoft.org/schema/mule/websocket 
		http://www.mulesoft.org/schema/mule/websocket/current/mule-websocket.xsd
		http://www.mulesoft.org/schema/mule/http 
		http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd 
		http://www.mulesoft.org/schema/mule/core 
		http://www.mulesoft.org/schema/mule/core/current/mule.xsd">
  <configuration-properties doc:name="Configuration properties" file="config.yaml" />	  
    <http:listener-config name="WS_HTTP_Listener_config" doc:name="HTTP Listener config" >
      <http:listener-connection host="0.0.0.0" port="${ws.port}" />
    </http:listener-config>
    <http:listener-config name="HTTP_Listener_config" doc:name="HTTP Listener config" >
      <http:listener-connection host="0.0.0.0" port="${http.port}" />
    </http:listener-config>
    <websocket:config name="WebSockets_Config" doc:name="WebSockets Config">
      <websocket:connection >
        <websocket:server-settings listenerConfig="WS_HTTP_Listener_config" />
      </websocket:connection>
    </websocket:config>
</mule>