HeroRepository.java

package io.navan.heroesbackend;

import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.CrudRepository;
import org.springframework.data.repository.query.Param;
import org.springframework.data.rest.core.annotation.RestResource;

public interface HeroRepository extends CrudRepository<Hero, Long> { 
    @RestResource(path = "name", rel="name")
    @Query("from Hero h where lower(h.name) like CONCAT('%', lower(:contains), '%')")
    public Iterable<Hero> findByName(@Param("contains") String name);  
}