Spyfcc: Monitor Your API Traffic with Ease
Hello Spring Boot developer; I developed this tool to easily monitor incoming and outgoing API traffic. My goal was to enable faster debugging by maki…
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RestTemplate vs RestClient vs WebClient
The HTTP Client Showdown Every Spring Developer Needs to Understand If you've been writing Spring applications for a while, you've probably had this c…
From Marketplace to Independent Stack: Migrating a B2B Industrial Site to Nuxt 3 & Spring Boot
1. The Backstory I recently took on a project to move a traditional industrial enterprise away from Alibaba International to a fully independent digit…
Zero-Code-Change Stacktrace Filtering for Spring Boot: An Infrastructure-Level Integration
This article is intended for software architects, senior backend engineers, and platform engineers working on commercial Java systems where stacktrace…
How to Deploy a Spring Boot + React App for Free on Render: From Local to Production
LIVE DEMO: https://hotelbooking-ui-ds7l.onrender.com/ 🛠 Tech Stack Frontend: React, Tailwind CSS Backend: Java, Spring Boot Database: PostgreSQL (H2) …
Mastering Spring Security with Spring Boot 3 and SecurityFilterChain
Mastering Spring Security with Spring Boot 3 and SecurityFilterChain Learn how to implement robust security in your Spring Boot 3 applications using S…
I Got Tired of Rewriting Audit Logs in Spring Boot — So I Built nerv-audit
Every backend system eventually hits this moment: “Who changed this record?” “What was the previous value?” “When did it happen?” Simple questions… un…
How to Deploy Spring Boot Apps on Fly.io
Fly.io is an incredible platform for deploying applications close to your users globally. However, if you are a Java developer looking to launch a Spr…
I built a tool that shows you exactly which method slowed down after your last deploy published: false
You deployed. p99 latency spiked. Now what? Open Grafana. Check Jaeger. Dig through logs. Read the commit diff. Connect the dots yourself — every sing…
Angular 21 + Spring Boot 3.4 in Docker: the plumbing nobody shows you
Every time I spin up a new Angular + Spring Boot + SQL Server stack in Docker I hit the same two headaches in the first ten minutes: 1) The backend co…
@NotBlank vs @Column(nullable = false) vs @NotNull — Which one should you use?
When I started working with Spring Boot, I thought all three did the same thing. They don’t. Understanding the difference between them helped me write…
Part 1 : Eureka Service Registry | Spring cloud
This blog mark the beginning of a new series focused entirely on the Microservice design pattern . In this series we will see how Microservice design …
Next-Level Observability with OpenTelemetry
When something goes wrong in my applications, logging is almost always the first tool I reach for. I'll throw a few log statements at the start and en…