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Каким запомнился VTB API Hackathon и зачем это банку В этой статье мои коллеги — лидеры треков VTB API Hackathon Александр Галкин, Диана Налегач…
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🚀 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…
Почему Go-сервисы начинают тормозить без ошибок (и при чём тут goroutines). Часть 1
Часто про Go говорят: «это язык, где конкурентность почти бесплатная» . И знаете что? Это правда. Почти. Но «почти» — это самое опас…
Почему RBAC недостаточно: опыт построения тарифно-зависимой системы доступа в SaaS или о чём молчат в статьях компаний
Тема разграничения доступности действий в рамках конкретного тенанта выходит далеко за рамки ERP домена и требует особо пристальной реализации. Это ос…
Why ERP integrations silently fail in production (and how I fixed it in Go)
Most integration systems don’t break immediately. They fail silently over time by corrupting your data. I learned this the hard way while building ERP…
DDD in Go applied to crypto exchange APIs
You write CQRS. You talk about aggregates. You emit domain events. But where do these concepts come from? Domain-Driven Design. Without understanding …
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…
Your test suite is the only thing that makes AI agents useful
A company called Reco converted JSONata from JavaScript to Go in 7 hours using AI. Seven. Hours. Not seven sprints. Not seven engineers over seven wee…
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…
Designing Go APIs That Don’t Age Badly
When building APIs in Go, it’s easy to get caught up in the rush to ship. You create an elegant endpoint, document it, and call it a day. But as your …
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…
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…
Testify is making your Go tests worse
Pop quiz. Does this testify assertion pass or fail? var x [] int y := [] int {} require . Equal ( t , x , y ) If you're like me, you have no idea. Arg…
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…
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…
DDD в Go без красивых схем: как один платеж получил три курса валют
В какой-то момент у нас один платеж начал жить с тремя курсами валют: checkout показывал сумму из Redis, payment-service ходил в API, а ledger писал п…
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…
Clean Architecture + DDD в Go: как не превратить проект в 200 файлов ни о чём
Прежде чем погружаться в архитектуру, давайте посмотрим на контекст, в котором всё это происходит. По данным исследования McKinsey 2022 года, техничес…
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…
Rust vs Go for AI Infrastructure in 2026: Here's What the Benchmarks Actually Say
Book: Observability for LLM Applications · Ebook from Apr 22 Also by me: Thinking in Go (2-book series) — Complete Guide to Go Programming + Hexagonal…
I Built a TikTok Downloader with Go — Here's What I Learned
Why I Built ClipTool I needed a simple way to download TikTok videos without watermarks. Every existing tool was either: Full of ads and pop-ups Painf…
Productionizing LLMs in Go: Distributed Budgeting, LangChain, and ROI Tracking
From "Hello World" to Production: Stop the LLM Bill Shock for Good A few weeks ago, we introduced Otellix —the Go-native observability SDK designed to…
Should We Still Care About Our Code?
As part of a new feature, I was looking at a "Human in the Loop" wrapper: func ( h * HITLWrapper ) Exec ( ctx context . Context , startTime time . Tim…
Stop Over-Engineering: Replacing Elasticsearch with a 100MB Go Alternative
Every time I start a New Project , I face the same dilemma: Search. Industry veterans will tell you to use Elasticsearch. But if you are a student dev…