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Spring Boot

Spring Framework 6.2 — Fallback Annotation

June 3, 2025July 29, 2025 Editorial Team

This post explores the usage of the Fallback annotation introduced in Spring Framework 6.2. · Prerequisites· Overview· Example∘ @Primary Annotation∘ @Fallback Annotation∘ Fine-tuning Annotation-based Autowiring with Qualifiers· Conclusion· References Prerequisites This is the

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Keycloak

Keycloak — Multi-Tenancy with Organizations

May 12, 2025July 29, 2025 Editorial Team

This post will explain implement multi-tenancy in the Keycloak server using the Organization feature. · Prerequisites· Overview∘ What is Keycloak Organizations?∘ Key Features of Keycloak Organizations· Implementation Steps∘ Enable the Organization

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Keycloak Spring Boot

Spring Boot 3 — Keycloak Admin Client integration

May 5, 2025July 29, 2025 Editorial Team

In this post, we’ll explain how to integrate the Keycloak Admin Client SDK in a Spring Boot application. · Prerequisites· Overview∘ What is Keycloak Admin Client?∘ When to Use

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Docker HashiCorp Java PostgreSQL Spring Boot

Spring Boot 3 — Manage Secrets using HashiCorp Vault and PostgreSQL as Backend: Part 2

April 29, 2025July 29, 2025 Editorial Team

In the previous post, we had configured a Hashicorp Vault server. In this post, we’ll explain how to manage vault secrets with a Spring Boot application.

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Docker HashiCorp PostgreSQL Spring Boot

Spring Boot 3 — Manage Secrets using HashiCorp Vault and PostgreSQL as Backend: Part 1

April 28, 2025July 29, 2025 Editorial Team

In this post, we’ll explore how to configure Hashicorp Vault and manage secrets in a Spring Boot application. · Prerequisites· Overview∘ What is Vault?∘ Why Vault?· Set up HashiCorp Vault

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Docker Keycloak

Manage Keycloak using Admin REST API

April 14, 2025July 29, 2025 Editorial Team

This post will explain how to interact with the Keycloak server using REST API without any programming language. · Prerequisites· Overview∘ What is Keycloak?∘ Key Features of Keycloak· Set up

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Java Java Core

Strategy Design Pattern Using Java Enum

April 7, 2025July 29, 2025 Editorial Team

In this post, we’ll explore the implementation of the Strategy Design Pattern using Java Enum. · Prerequisites· Overview∘ What is the Strategy Pattern?∘ How is it implemented?· Step-by-Step Implementation∘ Traditional implementation

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Java Spring Boot

Spring Boot 3 REST API — Barcode and QR Code Generation

March 25, 2025July 29, 2025 Editorial Team

In this post, we’ll learn how to generate barcodes and QR codes and expose them as an endpoint in the Spring Boot API. · Prerequisites· Overview∘ Barcodes∘ QR Codes· Getting

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PostgreSQL Spring Boot

Using Spring Data JPA with PostgreSQL Views

March 3, 2025July 29, 2025 Editorial Team

In this post, we’ll explore using Spring Data JPA with PostgreSQL views in a Spring Boot application. · Prerequisites· Overview∘ Understanding Database Views∘ Key Benefits of Database Views· Database Setup· Let’s

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Java Java Core

Java Stream API: Exploring Collectors.teeing() collector

February 19, 2025July 29, 2025 Editorial Team

The Collector.teeing feature introduced in Java 12 is a powerful addition to the Collector interface in the Java Stream API. The teeing() method teeing() is a static method of the Collectors class

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About Me

I have over 10 years of experience in software design, development, and deployment (Software Development life cycle).

Recent Posts

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