Build a Spring Boot Rest CRUD API example with Maven that use Spring Data JPA to interact with PostgreSQL database. You’ll know:

1. How to configure Spring Data, JPA, Hibernate to work with PostgreSQL Database
2. How to define Data Models and Repository interfaces
3. Way to create Spring Rest Controller to process HTTP requests
4. Way to use Spring Data JPA to interact with PostgreSQL Database.

1. Client
2. API Layer
3. Service Layer.
4. Data Access Layer
5. PostgreSQL Databas.

1. Spring Web.
2. Spring Data JPA.
3. PostgreSQL Driver

IDE: Intellije.

A few resources to get you started if this is your first time:

Welcome to the Spring Quickstart Guide.

• Spring Quickstart Guide
• Spring initializr