Check out the complete tutorial on the CalliCoder blog -

Spring Boot, PostgreSQL, JPA, Hibernate RESTful CRUD API Example

1. Clone the repository

git clone https://github.com/callicoder/spring-boot-postgresql-jpa-hibernate-rest-api-demo.git

2. Configure PostgreSQL

First, create a database named postgres_demo. Then, open src/main/resources/application.properties file and change the spring datasource username and password as per your PostgreSQL installation.

3. Run the app

Type the following command from the root directory of the project to run it -

mvn spring-boot:run

Alternatively, you can package the application in the form of a JAR file and then run it like so -

mvn clean package
java -jar target/postgres-demo-0.0.1-SNAPSHOT.jar