Why I Ditched Everything for Go
I used to be a node.js guy.
I lived in the land of callbacks, promises, and the endless chaotic void that is node_modules. I thought it was fine. I thought everyone just dealt with weird runtime errors and massive memory footprints.
Then, I wrote my first line of Go.
It was like stepping out of a noisy, crowded club into a quiet, well-lit library.
Everything was just... simple.
The Magic of Simplicity
Go is not a sexy language. It doesn't have a million features. It doesn't have magical frameworks that do everything for you behind the scenes.
That is exactly why I fell in love with it.
When you read a Go codebase, you know exactly what it is doing. There is no magic. There is only code.
- Concurrency: Goroutines ruined me for other languages. I no longer want to think about async/await or thread pools. Just toss a
goin front of a function and let the runtime handle it. It feels like cheating. - Static Typing: It catches my stupid mistakes before I even compile. But it doesn't feel oppressive like Java. It feels helpful.
- The Standard Library: You can build a production-ready HTTP server with just the standard library. No Express, no Fastify, no external dependencies. Just pure, unadulterated Go.
The Learning Curve
It wasn't all sunshine.
I fought the language at first. I tried to write Go like I wrote JavaScript.
I complained about the lack of generic map/filter/reduce functions. I whined about having to type if err != nil five hundred times a day.
But then I realized: the verbosity is the point.
Handling errors explicitly forces you to think about what happens when things go wrong. In Node, I would just wrap everything in a try/catch and hope for the best. In Go, you deal with the failure at the exact point it occurs.
It makes you a better engineer. Period.
The Archive
Over the past year, I've been documenting my journey with Go across Twitter and Instagram. Small bits of knowledge. Snippets. "Aha!" moments.
I got tired of them getting lost in the algorithmic void, so I'm archiving the best ones here.
This isn't a comprehensive tutorial. It's a raw, unedited log of my brain trying to understand this beautiful, stubborn language.
Channels are for signaling, not just data: Don't just use them to pass variables. Use them to tell other goroutines that an event has occurred. Empty structs struct{}{} are your best friend here.
Interface segregation: Don't define massive interfaces. Define interfaces for exactly what you need at the point of use. If a function only needs to read, accept an io.Reader, not a massive File interface.
Don't over-engineer: Go rewards boring code. If it can be done with a simple for-loop and a slice, do it. Stop trying to be clever.
Go didn't just change how I write backend services. It changed how I think about software.
Keep it simple. Keep it robust. Keep it Go.