persistence.xml

<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
             version="2.1">
    <persistence-unit name="spanner-example">
        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>

        <class>com.example.microprofile.Person</class>

        <properties>
            <property name="javax.persistence.jdbc.url" value="jdbc:cloudspanner:/projects/wise-coyote-827/instances/demo/databases/demo" />
            <property name="javax.persistence.jdbc.driver" value="com.google.cloud.spanner.jdbc.JdbcDriver" />
            <property name="hibernate.dialect" value="com.google.cloud.spanner.hibernate.SpannerDialect"/>
            <property name="show_sql" value="true"/>
        </properties>
    </persistence-unit>
</persistence>