Spring Security is a powerful authentication and authorization framework for Java applications. It provides comprehensive security services for Spring based applications, including features like user authentication, password encoding, session management, and protection against common security vulnerabilities.

In the previous article, Set Up Spring Boot Application using Spring Initializr, we covered the setup of a Spring Boot application. Now, we will configure the Spring Boot application to integrate with a PostgreSQL database and implement event creation functionality using Spring MVC architecture.

Spring Initializr is a web-based tool that simplifies the setup of Spring Boot projects by generating pre-configured templates with necessary dependencies. It provides a quick and efficient way to start a new Spring Boot application. Spring Boot itself is a powerful framework built on the Spring Framework, designed for creating stand-alone, production-ready applications with minimal configuration.