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Mastering Application Health: Insights from ‘Spring Boot Actuator’ by Igor Venturelli

Original Post: Spring Boot Actuator: Monitoring and Managing Your Applications | by Igor Venturelli | Sep, 2024

The article discusses the importance of monitoring and managing Spring Boot applications using Spring Boot Actuator, a subproject of Spring Boot that provides various production-ready features. Actuator exposes endpoints that give insights into an application’s health, metrics, environment, and more. While earlier versions had significant security concerns, recent versions have improved security by default. However, developers should still take precautions such as restricting access to sensitive endpoints, customizing which endpoints are exposed, and integrating Spring Security. The article explains configuring Actuator, including adding dependencies, customizing endpoint exposure, and securing endpoints. It also provides a practical example of creating a custom health indicator to monitor an external service’s availability. Overall, Spring Boot Actuator is a powerful tool that requires careful security management to effectively monitor and manage applications.

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