Quarkus

Java AI Libraries Compared: LangChain4j, Spring AI, and Quarkus LangChain4j

I built the same AI app with LangChain4j, Spring AI, and Quarkus LangChain4j. One of them took 92 lines. The others took 192 and 180.

Why You Should Be Part of the Quarkus Community

Contributing to open source doesn’t have to be scary. A true story of how interacting with the Quarkus community led to a contribution to a newly launched project in less than 48 hours.

Committer Mission: A Journey into Open Source

How a mentorship session with Luiz Real made me plan to become a Quarkus committer in 12 months.

SNES 16-bit pixel art of a shield protecting a database from corrupted data blocks

Stop Writing Manual Validations: The Definitive Guide to Bean Validation and DTOs in Quarkus

Ditch the infinite ‘if-else’ blocks! Learn how to ensure data integrity across all layers using Bean Validation 3.1. A complete guide on DTOs, custom rules, method validation, and standalone usage.

SNES 16-bit pixel art battle screen between a tech-fantasy hero and a 'Legacy Complexity' monster

RESTful APIs with Quarkus: Use Jakarta REST and Quarkus REST for Spring Developers

A complete guide for Spring developers on RESTful APIs in Quarkus. Learn about the Jakarta REST specification, the Quarkus REST implementation, and how to build high-performance endpoints.

OCI Object Storage and PARs Illustration

OCI Object Storage: Configure file upload with Quarkus on Always Free

Learn how to configure your Quarkus application to use OCI Object Storage. Leverage Always Free’s 20GB storage and 10TB bandwidth to scale your media with PARs.

Zero Trust in Practice: Protecting Secrets with OCI Vault and Quarkus

Upgrade your security to Zero Trust. Learn how to use OCI Vault and Hardware Security Modules (HSM) to protect your Quarkus application’s database secrets.

SQL or NoSQL? Why Not Both? Using Oracle's Converged Database with Quarkus

Discover the power of Oracle’s converged database: how to persist and query native JSON documents using Quarkus and Hibernate Panache without needing a separate NoSQL database.

Ink-wash manga style illustration featuring a stone monolith shaped like a cylindrical database, with a glowing golden digital aura representing mTLS connection.

Quarkus + Oracle Autonomous DB: Building a Secure mTLS Connection

Learn how to connect Quarkus to Oracle Autonomous Database using mTLS Wallet authentication in OCI’s Always Free tier.

Duke mascot in Cuphead style carrying a giant Quarkus injection needle

Quarkus Dependency Injection: The Ultimate Guide for Spring Developers

Understand how Quarkus reinvented Dependency Injection with ArC: zero runtime reflection, instant startup, and flexible configuration.