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Every Request Looked the Same in My Logs. Then I Added One Line.

6h ago · 6 min read · In Part 9, I Dockerized my backend and added database migrations. One command (docker compose up) now spins up Go + Postgres + Redis. Then I hit a bug. I sent a POST to /entries and got a 500 back. No idea why. I opened the logs: 2026/02/01 10:15:23 ...

TKTuhin Kumar Duttatechtrail.tuhindutta.com

Building an AI System Taught Me It’s Not About the Model

1d ago · 4 min read · But here’s the uncomfortable truth: Using an LLM API is not impressive anymore. Anyone can do it.And honestly, most people are doing the same thing. Call an API → write a prompt → get a response. That

My Database Disappeared Every Time I Restarted Docker. Migrations Fixed That.

1d ago · 7 min read · In Part 8, I ripped out SQLite and switched to Postgres. The database was real now — but it still only ran on my laptop. Three terminal tabs. One for go run, one for Redis, one for Postgres. If I closed any of them, the whole thing fell over. It was ...

My Server Was Silently Dropping Requests — Here's the One-Line Fix That Changed Everything

3d ago · 4 min read · In Part 6, I added rate limiting and Redis. The API was getting real — pagination, caching, authentication, rate limiting. It handled traffic. It scaled horizontally. Then I pressed Ctrl+C and realized something: every request in flight just vanished...

GKGeorge Kiokotheaientrepreneur.hashnode.dev

How we dropped LinkedIn scraper false positives from 62% to zero

3d ago · 3 min read · I run a LinkedIn employees scraper on Apify that had a 62% false positive problem. Here is how we fixed it. The false positive problem The first version was a Google dork. Query site:linkedin.com/in/ "TargetCompany" and parse the SERP. Fast, cheap, a...

DGDomenico Giordanorollgate-blog.hashnode.dev

Feature Flags in Go: A Practical Guide with Examples

3d ago · 12 min read · Originally published on rollgate.io/blog/feature-flags-golang. Why Feature Flags in Go? Go is the language of choice for microservices, API backends, CLI tools, and infrastructure software. Teams shipping Go code in production face the same challeng...

I Built Rate Limiting From Scratch in Go — Then Replaced It With Redis

4d ago · 4 min read · In Part 5, I added pagination and in-memory caching. Both worked fine — until I thought about what happens with more than one server. Three days, two rewrites, one lesson: in-memory is a local solution to a global problem. Day 18: Rate Limiting From ...

ALAlissa Lozhkinblog.gotechwithalissa.com

Connecting to SQL Database with Go

5d ago · 2 min read · The HTML and text templates, discussed in my previous few blog posts, are two of the many packages that become powerful tools when working with large datasets. Henceforth, my next series of blog posts

VNVineeth N Kvineethnk.hashnode.dev

diskdoc and dockit: same problem, two languages, different answers

4d ago · 11 min read · diskdoc and dockit: same problem, two languages, different answers I built two tools that clean up disk space. Both are CLIs. Both deal with Docker. Both ship as a single binary. And if you put them side by side, they look like the same project in tw...

Rrecca0120recca0120.hashnode.dev

Terratest: Automated Integration Testing for Terraform Infrastructure

5d ago · 15 min read · Originally published at recca0120.github.io terraform validate checks syntax. terraform plan previews changes. Neither tells you whether the infrastructure you deploy actually works. Terratest fills that gap by deploying real infrastructure, running ...