Learn how the Spring Data JPA Query By Example or QBE feature works, when you should use it, and what limitations it has.

A practical guide to field-level encryption with MongoDB.

In this article, you will learn how to test and verify the GitOps configuration managed by ArgoCD on virtual Kubernetes clusters

Learn Reactor Buffer vs Window options for collecting the items in a reactive pipeline & doing operations in batches (Java Reactive Programming).

Let's learn Spring WebFlux Streaming Response (aka Server Sent Events) for real time notifications to the browsers from the back-end application.

In these series of posts, I create a full-stack NestJS based application. NestJS is mostly for backend, we will use ReactJS for frontend.

The High-Performance Java Persistence Newsletter features articles, videos, and answers to common StackOverflow questions.

TODO

Explore the difference between .properties and .yml files and learn how to convert the application.properties file to application.yml and vice-versa using various tools and plugins.

Uses and differences between @ApiOperation and @ApiResponse.

In this article, you will learn how to collect and send the Spring Boot app logs to Grafana Loki with Loki4j Logback appender.

Learn CQRS Pattern with Spring Boot, one of the Microservice Design Patterns to independently scale read and write workloads of an application.

Learn Spring WebFlux Security to protect your reactive web applications/api endpoints with specific user roles.

Learn how to customize the HibernateTypesContributor from Hypersistence Utils so that we can disable all or filter out certain Types.

Generational ZGC, reactive database access, health check, Kotlin 1.9, and billions of messages over TCP/IP!

Intermediate stream, intelligent Spring with OpenAI, pattern matching, p99 of GC, and moving out of the Cloud.

Learn how to use AzureAD with Spring Security to authenticate users, including the required configuration steps for a demo application.

Spring Cloud OpenFeign makes it easy to write a client to REST APIs. We can use this for PATCH requests. We look at how this works and how to set it up to avoid common pitfalls.

A quick and practical guide to accessing session attributes in Thymeleaf.

Learn how to document event-driven Spring Boot services using Springwolf.

Learn how to solve the 403 error in a Spring Boot POST request.