How do I set up Spring Boot with Data JPA?

How do I set up Spring Boot with Data JPA?

To set up Spring Boot with Data JPA, you need to include the necessary dependencies in your pom.xml or build.gradle file.

What dependencies do I need to add?

You need to add spring-boot-starter-data-jpa and a database driver like H2 or MySQL.

Can you show me an example of the configuration?

Sure! In your application.properties, you can configure the database URL, username, and password like this:

spring.datasource.url=jdbc:h2:mem:testdb
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=

And enable JPA with:

spring.jpa.hibernate.ddl-auto=update

How do I create a repository interface?

You can create a repository interface by extending JpaRepository. For example:

public interface UserRepository extends JpaRepository<User, Long> {
}