Design Principles of Software: A Real-World Notification System in Go
By Sergio Colque Ponce — Software Engineering, Universidad Privada de Tacna. Full source code: github.com/srg-cp/design-principles-go When people say …
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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…
[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…
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…
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…
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…
Less boilerplate than raw SQL, less magic than ORM: generating PostgreSQL queries from Go structs
I like writing SQL manually in Go. Especially with pgx or database/sql, it gives you explicit control over what happens: no hidden queries, no entity …
pingtrace 1.0: why I rewrote from npm to Go
In March I shared the first version of pingtrace here on DEV. That version answered the initial question: could I make the first minutes of a network …
How I built an E2EE chat in Go + React (with AI agent support)
🚀 Try it now: Open the Arthas web app — create a room, share the code, chat with E2EE. No signup needed. TL;DR — Try It in 2 Minutes No signup require…
From Elasticsearch Bottlenecks to Weaviate: How We Built Fast Hybrid Search in Production
For years, Elasticsearch was one of those tools I would almost automatically reach for whenever a system needed search. And honestly, for many use cas…
I built a gRPC debugging proxy as my first serious Go project – here's what I learned
TL;DR: I built Loom , a transparent gRPC proxy that decodes traffic in real-time using Server Reflection. No .proto files needed. It gives you a brows…
FlameKit: An Open Source CLI for Codebase Risk Analysis
FlameKit: Analyze Git History to Find Technical Debt, Risky Files, and Refactoring Priorities ⭐ GitHub Repository: https://github.com/mrhujaifa/flamek…
How to Build a PostgreSQL Backed Job Queue in Go
When you build a web application, not every task should happen inside the user's request. Some work is slow. Some work can fail. Some work should happ…
Oneconfig: A CLI That Detects Your Stack and Provisions Your Dev Environment
Every repo has the same onboarding ritual: figure out the stack, install the right tools, start the right services, and hope the README is still accur…
I Built a Complete AI Infrastructure Stack from Scratch — Here's What I Learned
I Built a Complete AI Infrastructure Stack from Scratch — Here's What I Learned Most AI projects start at the top of the stack. You grab an LLM API, w…
What actually happens when you run `go run main.go`
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…
I Couldn't Find a Production-Ready Go Framework for AI Agents. So I Built One.
How I built a production-grade Go framework for conversational AI agents — and the architecture decisions that actually matter. Fifteen years of writi…
rdev-go-ddgen: Automating Domain Directory Boilerplate for Go Applications
When building robust backend APIs in Go, maintaining a consistent, clean architectural pattern across domain directories is essential for scalability.…
Original Kubernetes Dashboard — retired upstream, upgraded to Angular 21.
Original Kubernetes Dashboard — retired upstream, upgraded to Angular 21. Background The official Kubernetes Dashboard was archived in January 2026. T…
How to build a visual uptime monitor with Go and headless Chrome
Most uptime monitors work by making an HTTP request and checking the response code. It's fast, cheap, and catches about half the things that actually …
Beyond CRUD: Building a GitHub Activity Tracker to Level Up Backend Engineering
I am tired of CRUD apps. Spinning up a database for basic operations, the same form validation logic, picking another frontend framework and hoping th…
After 5 years of Go services, here's the boilerplate I wish existed
TL;DR: I open-sourced rock288/go-mongo-boilerplate — a Go 1.25 service template that ships the boring production stuff (observability, retry, DLQ, SSR…
Introducing Go DB ORM (v1.0.1) — A Type-Safe, Fluent ORM for Go
I’ve been working on an ORM for Go which is lightweight, easy to use, type-safe, and developer-friendly at its core. The main goal of GoDB ORM is simp…
Building a Forward Proxy in Go with Middleware and Auth
I’ve been building Groxy , a pre-v1 Go library for creating forward proxy servers. It supports: HTTP forwarding HTTPS CONNECT tunneling middleware blo…
gogpu/ui v0.1.21: Enterprise Render Pipeline — Layer Tree, Damage Tracking, 0% GPU Idle
Two months ago we released gogpu/ui v0.1.0 — 22 widgets, 3 design systems, ~150K lines of pure Go. Since then we shipped 21 patch releases, and the re…
Migrating Hyperledger Fabric Chaincode to Fabric-X: A Working Proof-of-Concept
A working PoC, what changes in the programming model, and what I learned getting public review from an FSC core maintainer along the way. If you maint…
Error Handling in Go: Stop Panicking, Start Wrapping
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is free, unlimited, and source-available on Github.…