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Java Spring Boot

Updating Resources in Spring Boot 3: PUT vs PATCH Explained

July 21, 2025October 9, 2025 Editorial Team

In this post, we’ll explore the differences between the PUT and PATCH methods in the context of updating resources in Spring Boot 3. · Prerequisites· Overview∘ Understanding PUT

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Java Keycloak

Mastering Keycloak Theme Customization using Maven and FreeMarker

July 14, 2025July 29, 2025 Editorial Team

In this post, we’ll explain how to create branded Keycloak themes step-by-step using FreeMarker and Maven for quick development and easy deployment. · Prerequisites· Overview∘ What is Apache

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Java Redis Spring Boot

Modern Caching with Redis in Spring Boot 3 Applications

July 2, 2025July 29, 2025 Editorial Team

In this post, we’ll explore how to implement caching in a Spring Boot 3 application using Redis. · Prerequisites· Overview∘ Why Redis for Caching?∘ Flowchart of the caching mechanism∘ Setting

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Java Keycloak Spring Boot Spring Cloud

Spring Cloud Gateway OpenID Connect with Keycloak

June 23, 2025July 29, 2025 Editorial Team

In this post, we’ll explore how to secure microservices architectures with Spring Cloud Gateway, Resource Servers, and Keycloak. · Prerequisites· Overview∘ How the authentication flow works· Setting up a

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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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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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