AI didn't save $500k. A test suite did.
Behind every successful AI rewrite story, there is an unsung hero. And it's never the AI. Chances are you've already come across the Reco story. Their…
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Your first Velocity app in 60 seconds
Velocity is a full-stack web framework for Go. Pre-1.0 and shipping in public. vel.build . Prerequisites You need: Go 1.26+ — go version should print …
I added voice messages to my self-hosted AI agent, for free
Hello there! I've been building a small personal AI agent called nevinho . It lives in my Discord DMs and helps me with everyday stuff. Bash commands,…
🚀 Building a CRUD API in Go with PostgreSQL (Step-by-Step)
In the previous post, we built a simple CRUD API in Go using in-memory storage. Now let’s make it real-world ready by connecting it to a database: 👉 P…
🚀 OathMesh v1.0.0-rc.1: Zero-Trust API Keys That Survive the Real World
Replacing static API keys with 5-minute, self-destructing Ed25519 tokens sounds great—until your Redis node dies, NTP drifts, or you realize you have …
Testing a Go exchange API client: mocks, httptest and testcontainers
The Go service runs locally, tests pass. Then you remember the tests are hitting the real Binance API. The next day, CI fails: rate limit exceeded, un…
Fast Atomic Flow: PHP 8.4, Swoole, NATS, Go и Закон Табуна
Как переезд в деревню, рефакторинг жизни и парное программирование с DeepSeek привели к созданию демо на Swoole, NATS и Go. Без купюр и без пони. 🐎 В …
Hangout Planner - fighting cognitive atrophy and full process of making app
In the rising era of artificial intelligence and information processing speeding up everywhere, I needed to slow down to force myself to deliberately …
I built ssmctl because AWS SSM deserved a better user experience
Github: github.com/rhysmcneill/ssmctl I use AWS Session Manager a lot. No bastion hosts, no open ports, full CloudTrail audit trail — it's the right w…
Проектируем сервис HTTP-запросов: Kafka, PostgreSQL, Redis-очередь и миллионы логических партиций
Ни одна «одна технология» не закрывает это без слоёв. Сначала — почему в стеке именно Kafka, PostgreSQL и Redis ; дальше — как мы спроектировали серви…
Auto AI Router: высокопроизводительный прокси-роутер для LLM API на Go
Auto AI Router — лёгкий прокси-роутер на Go, который принимает запросы в формате OpenAI API и прозрачно распределяет их между несколькими провайдерами…
What if your authoritative DNS server *was* a Git repository?
DNS has no git . I built one. This is a working prototype, not a finished product. The point of the post is to show that a long-standing gap in how DN…
Deploy Agents Across NATs and Firewalls with Pilot Protocol. No VPN. No ngrok.
Deploying multi-agent systems across distinct physical networks introduces immediate routing constraints. While agents communicating within a single l…
glasp: A Go-based, Zero-dependency CLI for Google Apps Script (clasp Alternative)
If you use clasp for local Google Apps Script (GAS) development, you might have faced challenges with Node.js runtime overhead or slow deployment spee…
Finding a Practical Analytics Format for Structured JSON Logs
Structured JSON logs are easy to produce and hard to analyze at scale. They carry useful context, but that context is nested, optional, inconsistent, …
Your security tool should tell users what to change, not just what's wrong
Our findings said 'this bucket is public.' Users asked 'what do I change to fix it?' We derived the answer mechanically from the predicate AST — no pe…
Building an IPC bus for Kubernetes sidecars: WAL, DLQ, and ring-buffer backpressure
If you put two sidecars in a pod and ask them to talk to each other over HTTP, sooner or later one of them crashes mid-request and you lose a message.…
Essential DevTools Every Go Developer Should Know
Essential DevTools Every Go Developer Should Know Go ships with a powerful standard toolchain that many developers underestimate. Beyond writing code,…
I Ditched iCloud Photo Sharing and Built My Own (with an AI partner)
iCloud shared albums take 26+ seconds to load on my 300 Mbps fiber connection. I timed it. Apple, a trillion-dollar company, built something that is e…
Your Projects, One Jump Away with JustJump
You open a terminal, and before you can do any actual work, you type something like: cd ~/projects/foo/ Or if you work with WordPress: cd ~/projects/c…
Why I Built byCode: A 100% Local, Privacy-First AI IDE
Over my 25 years in the tech industry, I’ve seen paradigms shift, frameworks rise and fall, and tools evolve. The AI revolution is undeniably one of t…
Design by Contract in Go: Panics, Preconditions, and checkContracts()
How panic for programming errors, error for user input, CONTRACT comments, checkContracts() invariant methods, and sorted-slice preconditions create a…
Postgres MCP in Go - Giving Claude Code a Live Line to Your Database
Introduction Copy-pasting SQL from a chat window into a DB client and back again is how most "AI + database" workflows actually feel. 🙃 It breaks flow…
Go Templates Snippets for VSCode
I started learning how to use Go templates about a year ago and I found it arduous to stressful to type syntax like {{ block "name" pipeline }} in ful…
I built Lyftr, a self-hosted workout tracker
I got tired of paying for fitness tracking apps and not owning my data, so I built Lyftr — a self-hosted workout tracker you can run on your own serve…
We brought Classic ASP to Linux: Check out the AxonASP video and our new live manual!
Hey DEV community! 👋 Recently, I shared how I completely rewrote the Classic ASP engine from scratch in Go to save legacy applications from Microsoft'…
htop for Your Git History
You clone a repo you've never seen before and you want to understand it. Not the code, not yet. The shape of the project. Who's been working on it? Ho…
Rust vs Go vs Zig for High-Performance Backend Services in 2026
Rust vs Go vs Zig: High-Performance Backend Services in 2026 Three languages compete for the performance-critical backend market. Each makes different…
Building Scalable Blockchain Solutions with Go: A Developer's Journey
As a senior Go developer with nine years of industry experience, I've had the privilege of working on a wide range of complex projects, many of which …
PHP to Go: The Mental Model Shift Nobody Warns You About
Book: Observability for LLM Applications · Ebook from Apr 22 Also by me: Thinking in Go (2-book series) — Complete Guide to Go Programming + Hexagonal…