This article will teach you about some not famous but useful Java libraries. This is the second article in the "useful & unknown" series. The previous one described several attractive,…
Useful & Unknown Java Libraries
Piotr's TechBlog
Java, Spring, Kotlin, microservices, Kubernetes, containers
Author: piotr.minkowski
An Advanced GraphQL with Spring Boot
In this article, you will learn how to use Spring for GraphQL in your Spring Boot app. Spring for GraphQL is a relatively new project. The 1.0 version was released…
Manage Multiple GitHub Repositories with Renovate and CircleCI
In this article, you will learn how to automatically update your GitHub repositories with Renovate and CircleCI. The problem we will try to solve today is strictly related to my…
Native Java with GraalVM and Virtual Threads on Kubernetes
In this article, you will learn how to use virtual threads, build a native image with GraalVM and run such the Java app on Kubernetes. Currently, the native compilation (GraalVM)…
Java HTTP Server and Virtual Threads
In this article, you will learn how to create an HTTP server with Java and use virtual threads for handling incoming requests. We will compare this solution with an HTTP…
Sealed Secrets on Kubernetes with ArgoCD and Terraform
In this article, you will learn how to manage secrets securely on Kubernetes in the GitOps approach using Sealed Secrets, ArgoCD, and Terraform. We will use Terraform for setting up…
Manage Multiple Kubernetes Clusters with ArgoCD
In this article, you will learn how to deploy the same app across multiple Kubernetes clusters with ArgoCD. In order to easily test the solution we will run several virtual…
Renew Certificates on Kubernetes with Cert Manager and Reloader
In this article, you will learn how to renew certificates in your Spring Boot apps on Kubernetes with cert-manager and Stakater Reloader. We are going to run two simple Spring…
Development with OpenShift Dev Spaces
In this article, you will learn how to use OpenShift Dev Spaces to simplify the development of containerized apps. OpenShift Dev Spaces is a Red Hat product based on the…
Spring Boot 3 Observability with Grafana
This article will teach you how to configure observability for your Spring Boot applications. We assume that observability is understood as the interconnection between metrics, logging, and distributed tracing. In…