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Why my GETs worked but every POST got a 403: a CORS bug behind nginx in Docker

Why my GETs worked but every POST got a 403: a CORS bug behind nginx in Docker

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6 min read
Agentic AI in Practice: Building Safe, Auditable Agents with Java and Spring Boot

Agentic AI in Practice: Building Safe, Auditable Agents with Java and Spring Boot

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8 min read
Spring Security session management and remember me tutorial — Complete Guide

Spring Security session management and remember me tutorial — Complete Guide

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3 min read
Spring Config Import Demystified

Spring Config Import Demystified

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12 min read
Production-Ready Exception Handling in Spring Boot

Production-Ready Exception Handling in Spring Boot

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9 min read
Your Java long IDs Are Lying to Your React Native App: Contract Rules Between Spring Boot and TypeScript

Your Java long IDs Are Lying to Your React Native App: Contract Rules Between Spring Boot and TypeScript

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7 min read
Threads, Pools, Promise.all: Why Your Postgres Falls Over First (Spring Boot vs Node)

Threads, Pools, Promise.all: Why Your Postgres Falls Over First (Spring Boot vs Node)

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7 min read
Cuánto cuesta desplegar una API Spring Boot en AWS: 4 opciones comparadas

Cuánto cuesta desplegar una API Spring Boot en AWS: 4 opciones comparadas

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7 min read
Stop Writing REST Client Boilerplate in Java

Stop Writing REST Client Boilerplate in Java

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3 min read
You Don't Need Python to Ship AI: Adding an LLM Feature to a Spring Boot API

You Don't Need Python to Ship AI: Adding an LLM Feature to a Spring Boot API

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8 min read
Before Optimizing Your Resume, Should You Trust the Job Posting?

Before Optimizing Your Resume, Should You Trust the Job Posting?

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3 min read
I'm Building a Peer-to-Peer Library Platform in Public — From a Legacy Java Monolith to Spring Boot

I'm Building a Peer-to-Peer Library Platform in Public — From a Legacy Java Monolith to Spring Boot

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3 min read
I ran 50 orders at 1 unit of stock. Here’s what stopped the oversell.

I ran 50 orders at 1 unit of stock. Here’s what stopped the oversell.

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3 min read
Structured Concurrency vs CompletableFuture: How Java Finally Fixed Parallel Calls

Structured Concurrency vs CompletableFuture: How Java Finally Fixed Parallel Calls

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8 min read
Giving Your Spring AI Agent a Memory — Conversations That Actually Make Sense

Giving Your Spring AI Agent a Memory — Conversations That Actually Make Sense

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5 min read
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