Intro

Kubernetes health probes have just become first class citizens in Spring Boot! Just before the release of Spring Boot 2.3, this article appeared on the Spring blog. These are awesome news because now you can leverage the framework and remove all that custom logic for liveness and readiness checks you have written in the past. In this post, let’s see how you can setup this feature in your application.

Create a demo application

For this tutorial, create a simple spring boot web application that fetches some products. We will create a Product domain entity:

Why would you want to auto-generate MySQL tables on startup with Spring Data? A lot of times, I will run into a project and see this “smart” way to automate schema and table creation where there is either a sidecar that executes a bash script or even worse, have it in the Dockerfile. As tempting as that hack is, it is totally unnecessary as we have everything we need to do that with out of the box. This is very useful setup as you want your applications to be self sufficient and don’t have to worry about making changes at two places (application and the database).