dependency-hibernateentitymanager.xml

<dependency>
	<groupId>org.hibernate</groupId>
	<artifactId>hibernate-entitymanager</artifactId>
	<version>${hibernate.version}</version>
</dependency>

dependency-hibernatesearch.xml

<dependency>
   <groupId>org.hibernate</groupId>
   <artifactId>hibernate-search-orm</artifactId>
   <version>5.6.0.Final</version>
</dependency>

persistence.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.1" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
    <persistence-unit name="my-persistence-unit">
        ...
      
        <properties>
          ...
			
			    <property name="hibernate.search.default.directory_provider" value="filesystem"/>
			    <property name="hibernate.search.default.indexBase" value="./lucene/indexes"/>
        </properties>
    </persistence-unit>
</persistence>