📢 แจ้งเตือน: tag/springboot - ประเด็นร้อน

Level UI • 20 hours • in Articles • 9 min read

An MCP server is not a new API. It is a thin layer over the one you already have

Somewhere in the last year, "do we need an MCP server?" joined the list of questions that arrive in a brief before anyone has said what the thing is for. It is usually framed as MCP vs API, as though the Model Context Protocol were a newer kind of AP...

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czetsuya • 2 days • in Articles • 6 min read

Reliable Event-Driven Architecture in Spring Boot: Outbox, Inbox, Retries, and Idempotency

Why publishing an event is only the beginning of building a reliable distributed system. Building an event-driven application with Spring Boot is relatively straightforward. You create a Kafka producer, publish an event, implement a consumer, and p...

4 Reactions 1 Comments

Clare Wu • 4 days • in Articles • 3 min read

Polar Bear Cache: Local Caching Without Repeated Remote Calls

Shared storage provides the source of truth. Local caches provide speed. Events help keep cache state in sync. Project: Polar Bear Cache — GitHub repositoryhttps://github.com/babyblue94520/polar-bear-cache In my previous discussions about microser...

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Clare Wu • 4 days • in Articles • 3 min read

Sync Session: Rethinking Session Management in Microservices

Sync Session: Rethinking Session Management in Microservices Project: Sync Session on GitHubhttps://github.com/babyblue94520/sync-session Shared storage provides the source of truth. Local caches provide performance. Events synchronize session sta...

5 Reactions 2 Comments

Cerad • Oct 20 • in Articles • 5 min read

Why Does a Backend API Become Slow, and How Can We Fix It?

As a backend developer, I spend a lot of time thinking about what happens behind the scenes when someone uses an application. A user clicks a button, submits a form, or requests some information, and the backend has to process that request and return...

4 Reactions 1 Comments

James Dayalverified • Oct 8 • in Dev Stories • 10 min read

From Writing Web Novels to Shipping Software — Nocklock’s Developer Journey

📝 DEV STORY

Featuring:

Nocklock•Software Developer

From Writing Web Novels to Shipping Software — Nocklock’s Developer Journey > “I think AI is most useful when it extends my thinking rather than replacing it.” Nocklock didn't originally become a developer because programming was a lifelong childh...

11 Reactions 1 Comments

Nocklock • Sep 24 • in Articles • 4 min read

I Built the MVP. Then I Realized Shipping Was a Different Skill.

I Built the MVP. Then I Realized Shipping Was a Different Skill. A few days ago, I wrote about something I had learned the hard way: > Building the MVP first and writing the README later made me realize how much I had assumed. I thought that was ...

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Nocklock • Sep 24 • in Articles • 3 min read

I Built the MVP First. Then I Wrote the README.

I did this in the wrong order. At least, that was my first thought. I was building a small project that checks images and documents for privacy risks. The backend came first, then the API, then a frontend that finally made it feel like an actual se...

3 Reactions 6 Comments

l3o6 • Sep 23 • in Articles • 7 min read

Spring AI Evals: how I test agent behavior

Part 2: https://dev.to/lbobylev/baseline-for-spring-ai-evals-catching-silent-degradation-4ll6 When building an AI agent, there is usually a moment when the prompt seems to work. But as development continues, this can quickly get out of control. Toda...

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Tom Smithverified • 16 hours • in Articles • 9 min read

Developer Weekly Briefing — October 30, 2026

Security dominated this week, but not in the usual way. Two active campaigns turned GitHub configuration files into attack surfaces. Researchers demonstrated that the built-in browsers inside AI coding tools can read your SSH keys. And at Oracle AI ...

6 Reactions 3 Comments

l3o6 • Sep 23 • in Articles • 5 min read

Spring Boot 4 + Spring AI + Langfuse: Tracing LLM Calls and Tool Calling

Part 2: Spring AI + Langfuse: Tracing Streaming with ObservationFilterhttps://dev.to/lbobylev/spring-ai-langfuse-tracing-streaming-with-observationfilter-h3l In this post, we will look at how to connect Spring AI with Langfuse and get complete trac...

6 Reactions 1 Comments

Themba Ngobeni • Sep 22 • in Articles • 3 min read

Faker Doesn't Know Your Entities Are Related, So I Built Something That Does

Faker Doesn't Know Your Entities Are Related, So I Built Something That Does You've added a second entity to the schema, wired up a @ManyToOne, and gone back to your seed script to generate fifty more rows. Ninety seconds later, the app refuses to ...

4 Reactions 2 Comments

buildbasekit • Jul 25 • in Articles • 7 min read

The First Endpoint Is Easy. The Lifecycle Is the Real Backend Work

I have made this estimation mistake more than once: Authentication should be a few endpoints. File upload should be one controller. Stripe should only need a checkout flow. A Discord bot should only need a command listener. That estimate is ofte...

9 Reactions 7 Comments

SuMiTa • Jul 16 • in Articles • 2 min read

Dealing with Feign Decode Exception: Error While Extracting Response

In a microservice ecosystem, Spring Cloud OpenFeign makes synchronous HTTP requests look like simple, clean Java interface calls. It handles everything under the hood—until the data structure changes, a service returns a dynamic error payload, or a m...

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buildbasekit • Jun 16 • in Articles • 9 min read

How to Make Your Spring Boot Project AI-Ready

How to Make Your Spring Boot Project AI-Ready AI coding tools can generate Spring Boot code fast. They can create controllers, services, repositories, DTOs, tests, migrations, and documentation in minutes. But that is not the real bottleneck anym...

1 Reactions 3 Comments

katormya0 • Jun 1 • in Articles • 4 min read

The Easiest Way to Integrate pawaPay in Your Java Spring Boot App

Building a high-throughput mobile money gateway is often romanticized as a simple REST API integration. The reality, however, is a brutal landscape of undocumented MNO network drops, complex cryptographic signature requirements, and terrifying double...

4 Reactions 2 Comments

buildbasekit • May 22 • in Discussions • 1 min read

Why Most Side Projects Never Launch

forumDiscussion group2 participants

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buildbasekit • May 20 • in Articles • 6 min read

Spring Boot File Upload Performance: Why Your API Gets Slow Under Load (And How to Fix It)

Backend APIs often feel fast during development. You upload a few files locally. Everything responds instantly. Latency looks great. Memory looks stable. CPU barely moves. Then production traffic arrives. Suddenly: uploads slow down downloa...

5 Reactions 2 Comments

rvneto • May 12 • in Articles • 7 min read

The Ecosystem Conductor: Orchestrating Market Orders with Kafka, RabbitMQ and Spring Boot

Hey folks! We've reached one of the most important posts in the My Broker B3 series. Up until now we built each piece of the ecosystem separately — the price synchronizer, the matching engine, the financial custody, the asset catalog. Now it's time ...

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rvneto • May 12 • in Articles • 3 min read

Financial Custody: Managing Balance and Portfolio with Eventual Consistency

Hey folks! Continuing the My Broker B3 series, we've reached one of the most business-logic-rich services in the ecosystem: the Broker Wallet API. In previous posts we built the B3 infrastructure market price sync and matching engine. Now we enter ...

6 Reactions 2 Comments

buildbasekit • May 12 • in Articles • 3 min read

Spring Boot Large File Upload: Limits, Streaming, and Production Best Practices

File uploads look simple until someone uploads a 2GB video. Then suddenly your backend starts behaving differently: memory usage spikes requests take forever uploads fail halfway server threads stay blocked users retry the same upload again A ...

3 Reactions 0 Comments

czetsuya • Apr 17 • in Launches • 2 min read

nerv-audit

We didn’t need more audit logs — we needed answers....

6 Reactions 3 Comments

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