From the course: Spring Boot 3 Essential Training
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CommandLineRunner interface - Spring Boot Tutorial
From the course: Spring Boot 3 Essential Training
CommandLineRunner interface
- [Instructor] One of my favorite interfaces in the Spring Boot ecosystem and one that is very seldom talked about is the CommandLineRunner. Now, the CommandLineRunner is a very simple and effective tool when you need to do a finite amount of work. We don't always need to bring in Web or Rabbit or any of the other processes to do work, and this is a great way to do it. Sometimes we just want to do that work and we want it deployed as a task, but we want to use Spring in the most efficient way possible. So I feel in the Spring Boot use case that this is really where the CommandLineRunner interface shines at its best. Now, you can run it as a standalone Spring Boot application, or you can run it in another Spring Boot application, say a web application or a batch application. It allows you to do something like an admin, say you want to warm the cash or a batch process when your application starts. And as I alluded to, you can do a lot of this in standalone fashion as well. Now the…
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