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Build REST CRUD APIs with Spring Boot and PostgreSQL

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Hello everyone, In this article, we will learn how to develop a  REST-style web service with Spring Boot, Spring Data JPA, and PostgreSQL. The  GitHub repository link is provided at the end of this tutorial. You could download the source code. Technologies used:   Spring Boot 2.6.3 Spring  Data JPA 2.6.3 Java 11 PostgresSQL connector  PostgresSQL Server Maven 3+  These are APIs that Spring backend App will export:   Final Project Directory Maven[pom.xml]   A Project Object Model or POM is the fundamental unit of work in Maven. It is an XML file that contains information about the project and configuration details utilized by Maven to build the project. <?xml version = "1.0" encoding = "UTF-8" ?> <project xmlns = "http://maven.apache.org/POM/4.0.0" xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation = "http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" > &l