Spring Boot monitoring with Prometheus Operator

• spring-boot-debug-app

  3 1 10.0 Kotlin

  Spring Boot application for debugging purpose.

My demo app (GitHub Link) uses Spring Boot version 3, or more precisely the latest release from 2022, i.e. 3.0.1. The core monitoring component in Spring Boot is Actuator. If you remember the migration of Spring Boot from version 1 to 2, you’ll probably remember that update brought a lot of breaking changes in Actuator. Fortunately, in the case of version 3, no such changes have been made, so you can apply the following configurations to Spring Boot version 2.x.x

• prometheus-operator

  39 8,730 9.7 Go

  Prometheus Operator creates/configures/manages Prometheus clusters atop Kubernetes

  

Prometheus Operator is an independent project from the Prometheus project. I know, it can lead to confusion. In the official README you can find short comparison. Basically, Prometheus Operator does what an operator should do - provides Kubernetes native deployment and management of Prometheus and related monitoring components like Grafana or Alert Manager.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• helmfile

  24 3,164 9.6 Go

  Declaratively deploy your Kubernetes manifests, Kustomize configs, and Charts as Helm releases. Generate all-in-one manifests for use with ArgoCD. (by helmfile)

  

If you haven't used helmfile yet, I strongly encourage you to check out this tool. It provides a lot of improvements for working with Helm charts, but you don't need to go into all of them. You can easily switch and streamline your helm releases with helmfile and gain at the beginning one killer feature - interactive helm diff that works as Terraform plan. Installation Gist.

• prometheus-operator-helmfile

  1 1 10.0

  Prometheus Operator with predefined Grafana dashboard - helmfile installation

Firstly, clone my GitHub repo with Prometheus Operator helmfile, and check how little configuration is needed to install all stuff. This is because the Prometheus Operator installation comes with reasonably safe defaults whenever possible, so we have only to overwrite some crucial values. To install it we need to exec single command.

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