Spring Boot CRUD Application with PostgreSQL and Global Exception Handling

This project is a Spring Boot application that demonstrates CRUD (Create, Read, Update, Delete) operations with PostgreSQL as the database and implements global exception handling.

Features

• Create, Read, Update, Delete operations for an entity (e.g., Employee)
• PostgreSQL as the database
• Global exception handling with custom error responses
• RESTful API with Spring Boot
• Maven build

Technologies Used

• Spring Boot 3.x
• Spring Data JPA
• PostgreSQL
• Maven
• Java 17
• Lombok (optional for reducing boilerplate code)

Prerequisites

• Java 17 or higher
• PostgreSQL
• Maven
• Postman or cURL (for testing API)

Getting Started

Step 1: Clone the Repository

git clone https://github.com/hasanuzzaman-dev/spring-postgres-crud.git
cd spring-postgres-crud

Step 2: Configure PostgreSQL Database

Ensure PostgreSQL is installed and running. Create a new database and update the application.properties file with your database credentials:

# src/main/resources/application.yml

spring:
  application:
    name: spring-postgres-crud
  datasource:
    url: jdbc:postgresql://localhost:5432/spring-postgres-crud
    username: postgres
    password: postgres
  jpa:
    hibernate:
      ddl-auto: update

Step 3: Build and Run the Application

mvn clean install
mvn spring-boot:run

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