Open Source

rdev-go-api-template: Production-ready Go API Scaffolder & CLI Generator

rdev-go-api-template 🚀 The Concept A unified Go development utility that functions simultaneously as a production-ready architectural blueprint and an…

[System Design] Uber RAMEN: How Ride-Hailing Apps Push Real-Time Notifications to Millions of Devices

The Problem: Pushing Instant Notifications to Millions of Devices Answer-first: Uber's RAMEN system maintains persistent gRPC bidirectional streams to…

package.json vs go.mod: Where Did the Version Field Go?

If you come to Go from JavaScript, one small thing surprises almost every developer. Open any package.json . Look near the top. It is always there: { …

The Thread Battle: Go Concurrency vs. Node.js Event Loop from First Principles

When building high-concurrency backend services, two ecosystems dominate the conversation: Node.js and Go (Golang). If you ask the internet how they h…

Building Groupie Tracker in Go

As part of my apprenticeship at Zone01 Kisumu, my team and I built Groupie Tracker — a web app that fetches live music artist data from an external AP…

Building Loom (Part 3): Real-Time Browser UI with SSE, Goroutines, and Channels

This is Part 3 of my series building Loom. 👉 Missed Part 2? Read it here Today: Building the real-time browser UI with SSE, goroutines, and channels. …

[System Design] Ride-Hailing Dispatch Algorithm: How Uber DISCO & Grab DispatchGym Match Drivers

Every time you tap "Book Ride," a system makes dozens of decisions in under two seconds: Which driver? What route? What's the real ETA? This article b…

Bulkhead Pattern - Go

Go Bulkhead Pattern — Complete Reference Table of Contents What is the Bulkhead Pattern Three Mechanisms HTTP Transport Parameters — Deep Dive Little'…

Struct Embedding in Go: Composition That Bites When You Reach for Inheritance

Book: The Complete Guide to Go Programming Also by me: Thinking in Go (2-book series) — Complete Guide to Go Programming + Hexagonal Architecture in G…

[System Design] GPS Location Ingestion at Scale: gRPC Streaming, MQTT & Kalman Filter in Ride-Hailing

The Challenge: Millions of Drivers, Every 4 Seconds Answer-first: Uber and Grab handle 1.25 million GPS write operations per second from ~5 million ac…

Building Dhrishti - Part 3: Testing on a Production Grade System

I was now done with the basic setup. However, during my time working at my startup, I have learnt to think about a project wearing multiple caps. One …

How to Build a Telegram Crypto Checkout in Go (And Avoid Going Insane with Manual Checks)

We've all built that one MVP. You know the flow: Your bot spits out a USDT address. You ask the customer to reply with a transaction hash or, worse, a…

The Bilingual Developer: Python and Go Looping & Iteration

In the last article, I wrote about how programs make decisions using conditionals. We went through how a program can make a decision, choosing one pat…

sqlh — SQL в Go без boilerplate: пишем CRUD за 50 строк

> Zero-boilerplate SQL для Go. Опиши структуру тегами — и это всё. Если вы пишете на Go и работаете с SQL-базами, вы знаете эту боль. Каждый CRUD-з…

Parse, Don’t Guess

Three days before going open source, I deleted my parser's smartest feature. 333 lines. 6 functions. 12 passing tests. All green, all clever, all gone…

Как я веб-приложение на Go для архитектуры MIPS кросс-компилировал

Рассмотрим пример сборки go приложения для работы в среде Entware на mips-роутерах Keenetic/Netcraze Настроить Keenetic

Flowork Agent: Self-Hosted AI Agents in a Single Go Binary

Flowork Agent is a self-hosted operating system for AI agents distributed as a single Go binary—no Docker, no Python, no separate database. It's a pra…

Go Packages and Modules explained

What is a package? In Go, every Go program is made up of packages. A package is a directory of .go files that share the same package declaration. The …

I built an autonomous SRE that lets an LLM diagnose incidents — but never touch a shell unsupervised

I built an autonomous SRE system where a local LLM diagnoses production incidents, proposes a fix, and a deterministic engine decides whether that fix…

Services without Docker-in-Docker: how PikoCI handles test dependencies

If you've ever needed a database for your integration tests in CI, you've probably encountered one of these solutions: Docker-in-Docker. A separate do…

The Top Golang Mocking Libraries in 2026: A Practical Comparison

Hello, I'm Shrijith Venkatramana. I'm building git-lrc, an AI code reviewer that runs on every commit. Star Us to help devs discover the project. Do g…

10 вопросов на Go собеседовании, которые валят большинство джунов

Готовиться к Go-собеседованию по списку с GitHub — значит знать ровно то же, что знают все остальные. Интервьюеры это чувствуют сразу. В этой статье —…

Смотрим в будущее на Go — Theta прогнозирование финансового модуля ERP

Перезалив. Хабр в очередной раз посчитал две ссылки на рабочий прототип рекламным объявлением - спасибо! Удалены все ссылки на продукт, за исключением…

What Building a Go PDF Engine Teaches You About Real Engineering

There is a class of projects that teaches you more about a language than any tutorial ever could. Building a PDF engine from scratch in Go is one of t…

How much do amd64 microarchitecture levels help in Go?

Run ASP Classic on Linux, macOS and Windows

If you have ever found yourself searching for how to run ASP on Linux or trying to figure out how to containerize an old IIS-dependent application, yo…

jumie — локальный ИИ ассистент в терминале

Все мы любим терминал. Но мало кто помнит наизусть все флаги команды find или как правильно распаковать хитрый архив без гугла. Данный инструмент може…

Why Building a PDF Engine in Go Will Help You Understand Go Concepts Better

There is a class of projects that teaches you more about a language than any tutorial ever could. Building a PDF engine from scratch in Go is one of t…

How I stopped 100 goroutines from hammering my gRPC server — Loom Part 2

This is Part 2 of my series building Loom. 👉 Missed Part 1? Read it here Today: Reflection cache, stampede protection, and the deadlock that kept me u…

50 Million Records in Under One Second — Inside ZenQL’s New Collection Engine

With the release of version 1.7.9, ZenQL’s Collection API, Thor, received substantial performance improvements, largely driven by a series of memory o…