Execute Your Code in a Spring Boot Application Startup

In a Spring Boot application, the startup phase provides an excellent opportunity to perform various tasks, such as initialising resources, setting up configurations, or executing specific code.

Spring boot offers multiple options, for executing your code during the application startup. This post covers some of the ‘out of the box’ practices recommended by the Spring developers.

There are mainly 3 options:

• Option-1: Using @PostConstruct annotation
• Option-2: Using ApplicationRunner or Command Line Runner Interface
• Option-3: Using Spring Boot Events
• In this article, we will cover all of the available options and look into the best practices dos and don't.

Checkout this video post that covers all three options along with example:

Hope this helps.