a

Create App

Go to main/java/com.example. Create packages under your main package.

• controllers: API controllers
• models: JPA entities & other persistence info
• repositories: JPA repositories
• services: logic-based code

Connect to database

Add Data JPA library & connect it to Postgres. Add Postgres JDBC driver dependency to pom.xml

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        <dependency>
            <groupId>org.postgresql</groupId>
            <artifactId>postgresql</artifactId>
            <scope>runtime</scope>
        </dependency>

Add src/main/resources/application.properties

spring.datasource.url=jdbc:postgresql://localhost:5432/conference_app
spring.datasource.username=
spring.datasource.password=
spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
spring.jpa.hibernate.ddl-auto=none
spring.jpa.hibernate.show-sql=true