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…
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[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…
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 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'…
[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…
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…
Stop Guessing, Start Profiling: A Dev's Guide to Go Mechanics
The Problem: The Mysterious 2-Second Freeze Imagine your Go microservice is a chef in a busy kitchen. It processes orders (JSON payloads) super fast. …
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…
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…
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…
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…
Golang Day 1: Introduce
Today, I started learning Go(Golang), and I want to note down some key concepts that I think are important to understand and remember. Since this is b…
Getting Started with Go: A Beginner's Journey
If you told me a few months ago that I would be obsessed with pointers, memory allocation, and low-level strings manipulation, I probably would have l…
The Landscape of Core Banking Developers: Building Financial Systems from Scratch
This post is the Executive Summary of my 8-part long-form series: * Learning Path to Become a Core Banking Developer ** originally published on my blo…
Examples Gubernator
Gubernator Orchestrator Update! Just shipped some major improvements examples to Gubernator (the lightweight Go container orchestrator): Premium Data …
I built a Go microservices framework in 2017. Here's what 8 years of production taught it.
In 2017 I was maintaining a Node.js ecommerce server when a new project landed on my desk — an IoT platform for vehicle tracking devices. Thousands of…
[Перевод] Плагин для Docker для быстрого деплоя
Часть своих сервисов я держал в облаке, но когда счёт за AWS начал превышать ожидания, стало понятно: пора переносить их домой. Несколько месяцев наза…
Normalizing DATEX II Across 30 European National Access Points
EU Directive 2010/40/EU mandates that every Member State operates a National Access Point (NAP) that publishes real-time traffic, safety, and multimod…
peektea narrows its gaze 👀 filter-as-you-type and hidden files
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is free and source-available on Github. Star git-lr…
Why I Built a Lightweight Heroku Clone in Go?
If you are a developer, you probably have a graveyard of side projects. For years, the formula for launching these projects was simple: push to Heroku…
WebSocket Half-Open Connections and gRPC Gateway Discovery in Complex LAN WebRTC Systems
The target scenario is not consumer calling. It is closer to B2B institutional device fleets: many shared devices, long-running uptime, centralized op…
Resources for Learning to Build Technologies from Scratch with Go: Books and Free Online Courses
Introduction to Building Technologies from Scratch with Go Building technologies from scratch using Go is more than a learning exercise—it’s a gateway…
Structs in Go
Let's explore structs in Go. If you know Go's basic types like string, int, and bool, structs let you handle more complex data. Say you're building a …