Enhancing Spring Boot 3.x Applications with Custom Health Indicators

Spring Boot Actuator is a powerful feature that adds production-ready capabilities to your application, such as monitoring and managing your application in a production environment. One of the key features of Spring Boot Actuator is health indicators, which provide insights into the health and status of your application. While Spring Boot includes several built-in health indicators, you can also create custom health indicators to monitor specific aspects of your application. In this article, we will explore how to create and integrate custom health indicators in a Spring Boot 3.x application.

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Setting Up the Project

Create a new Spring Boot project using Spring Initializr with the following dependencies:

• Spring Web
• Spring Boot Actuator
• Spring Boot DevTools (optional, for easier development)

Adding Dependencies

Add the necessary dependencies to your pom.xml (for Maven) or build.gradle (for Gradle) file.