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AJAshmit JaiSarita Guptaengineeringwithashmit.hashnode.dev3d ago · 10 min read

Building log0: a multi-tenant incident platform on Kafka

A bad deploy at 3 AM A deploy ships at 02:50. One null check is missing on a hot path. By 03:00, the payment service has thrown the same NullPointerException tens of thousands of times. If your alerti

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SESonny Enchillsonnyenchill.hashnode.devJun 18 · 5 min read

I Ran 8 Microservices Locally With One Command — Here's What I Learned

What Is Spring PetClinic? Spring PetClinic is a reference application maintained by the Spring team. It's a distributed system — eight Spring Boot microservices, each with its own database, communicat

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MMateomateoslp.hashnode.devJun 17 · 4 min read

How I stopped throwing generic exceptions in Spring Boot

The Context Relying on standard try-catch blocks across the service layer inevitably leads to code duplication and leaks HTTP/web layer concerns into the business logic. I recently decided to audit ho

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BTBooster TechLabblog.boosteredu.inJun 14 · 5 min read

Web Architecture Fundamentals

Part 2: Why HTTP Status Codes Matter More Than Most Developers Think Imagine clicking the Login button on an application. You enter your email. You enter your password. You click Submit. What happens

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EAElham Ajdarielham-notes.hashnode.devJun 9 · 6 min read

Java for Frontend Developers: A Practical Starting Guide

As a frontend developer, learning Java can feel strange at first. The syntax looks familiar, but the mindset is different. JavaScript and TypeScript let you move fast with flexible types and runtime b

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AKAshutosh Krishnafreecodecamp.orgJun 9 · 31 min read

Database Version Control with Liquibase and Spring Boot

Picture this familiar scenario: you're working on a new feature that requires a new database column. You open your local database client, write an ALTER TABLE statement, and execute it. Your code work

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PTPrashant Thoratprashant-blog.hashnode.devJun 6 · 2 min read

Stop Writing CRUD Screens in Spring Boot

Stop Writing CRUD Screens in Spring Boot Generate admin panels automatically from JPA entities and Spring Data REST repositories—without building React CRUD pages from scratch. Every Spring Boot proje

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BMBikash Mainalibikash8848.hashnode.devMay 20 · 3 min read

Event-Driven: Clean Decoupling with Publishers & Listeners in Spring Boot

The Spring event system lets different parts of your application talk to each other without being directly connected. Think of it like a radio station (publisher) and radios (listeners) — the station

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KPKumar Pallavkumarpallav.devMay 12 · 9 min read

Spring AI Tool Calling: From Chatbot to AI Agent with @Tool

Spring AI Tool Calling: From Chatbot to AI Agent with @Tool Your AI is smart. It knows an enormous amount. But it's frozen. It doesn't know what time it is right now. It doesn't know what's on your ca

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DMDavide Mibellicodeagents.hashnode.devMay 12 · 6 min read

Spring Boot JWT Authentication: The Complete Setup Most Tutorials Get Wrong

I've read probably forty Spring Boot JWT tutorials over the years. They all show you the same thing: how to generate a token on login, how to validate it on each request, and how to wire up SecurityFilterChain. And they all stop right there. What the...

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#spring-boot

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Trending tags this week

Building log0: a multi-tenant incident platform on Kafka

I Ran 8 Microservices Locally With One Command — Here's What I Learned

How I stopped throwing generic exceptions in Spring Boot

Web Architecture Fundamentals

Java for Frontend Developers: A Practical Starting Guide

Database Version Control with Liquibase and Spring Boot

Stop Writing CRUD Screens in Spring Boot

Event-Driven: Clean Decoupling with Publishers & Listeners in Spring Boot

Spring AI Tool Calling: From Chatbot to AI Agent with @Tool

Spring Boot JWT Authentication: The Complete Setup Most Tutorials Get Wrong