🔐AWS → Google Cloud Workload Identity Federation with Terraform
Eliminating Service Account Keys for Cross-Cloud WorkloadsManaging identities across cloud providers is often more challenging than…
Autor: Henry Xiloj Herrera
🚀 Spring Boot 3.5 → 4.0.3 Migration Summary
Import Changes, API Adjustments & Compatibility ResultsA complete, real-world migration summary from Spring Boot 3.5 →…
Building a Minimal Retrieval-Augmented Generation (RAG) System with LangChain, OpenAI, and Pinecone
Large Language Models (LLMs) are powerful, but they come with an important limitation: they only know…
Building a Real-Time Web Search Agent with LangChain and Tavily
Large Language Models (LLMs) are powerful, but they have a fundamental limitation: they lack real-time awareness.…
🚀 Using Testcontainers for Real Integration Tests (Spring Boot + JUnit 5)
Modern applications rely on multiple external systems — relational databases, messaging services, cloud APIs, and more.…
🧩 Building a Multi-Datasource Go Application
In many enterprise systems, you may need to work with multiple databases — for example, customer…
Event-Driven Architecture on GCP with Pub/Sub & Spring Boot
Event‑Driven Architecture (EDA) decouples producers from consumers using an event broker. You get independent scaling, resilience,…
🚀 Understanding O(1) vs O(n) – With Practical Code Examples
When writing efficient Java code, algorithmic complexity matters—a lot. In this post, I’ll walk you through…
🚀 Streaming PostgreSQL Changes to BigQuery using Cloud Run Jobs + Cloud Scheduler 🔄
This lightweight Change Data Capture (CDC) pipeline streams PostgreSQL logical replication events to BigQuery — no…
Dataflow + Terraform: Secure Cloud SQL to BigQuery via PSA/PSC
IntroductionTwo fully automated, production-grade pipelines demonstrate secure data ingestion from Cloud SQL PostgreSQL into BigQuery, using…