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Golang — or simply Go — is one of those languages that quietly earns your respect.
It’s simple, efficient, and surprisingly powerful — perfect for anyone who wants to build high-performance, scalable applications without the weight of complexity.
This isn’t a formal tutorial.
It’s more like a letter — from one indie developer to another.
Step 1: Getting Familiar with the Basics
Like many, I started by learning Go’s syntax — and to my surprise, it was refreshingly clean.
It reminded me a lot of C# and Java, but without the clutter.
Variable declarations, if conditions, for loops, and function definitions all felt intuitive.
Go doesn’t try to be clever — it just is.
The syntax is sharp, concise, and minimal, helping me focus on what matters: logic.
Learning the basics didn’t take long. What took time was unlearning the habit of overcomplicating things.
Step 2: Understanding Data Structures — Struct, Map, and Slice
Once the syntax started to feel natural, I moved on to Go’s data structures.
Structs, maps, and slices are like the building blocks of Go’s simplicity.
- Structs helped me organize complex data types into something human-readable.
- Maps were my go-to for key-value storage — they just work.
- Slices felt like arrays that finally made sense — dynamic, flexible, and incredibly useful when handling changing datasets. At this point, I realized that Go’s philosophy was consistent: clarity over cleverness.
Step 3: Diving into Pointers
Ah, pointers — the word that once terrified me.
When I first encountered them, I struggled to understand why I’d ever need them.
But Go’s simplicity made it click.
By learning how Go manages memory, I saw how pointers could help me avoid unnecessary data copies and optimize performance.
It wasn’t just about speed — it was about understanding how the machine breathes.
Once that clicked, I started to appreciate Go’s balance between low-level control and high-level clarity.
Step 4: Exploring the Standard Library
If I had to name Go’s secret weapon, it would be the standard library.
It’s powerful — almost poetic in how much you can do without touching a third-party package.
Working with strings, handling time, managing files, writing servers, connecting over the network — the standard library had it all.
No endless npm install.
No dependency drama.
Just clean, native tools that actually worked.
This is when I started to feel a sense of independence as a developer — the feeling that I could build something meaningful without waiting for a package to update.
Step 5: Entering the Web World with Fiber
You can build web servers in Go without a framework, and many do.
But I wanted something faster — something that felt right.
That’s when I met Fiber.
Built on top of Fasthttp, Fiber is one of the fastest Go web frameworks, and it immediately resonated with me.
It reminded me of Express.js in its simplicity but with Go’s performance and structure.
Using Fiber, I built my first RESTful API, and the experience was so seamless that I knew I’d found my web companion in the Go world.
Clean routes, fast responses, minimal boilerplate — everything I wanted.
Step 6: Discovering Concurrency — The Magic of Goroutines and Channels
If you ask any Go developer what makes the language special, they’ll probably mention concurrency.
For me, it was the moment Go stopped being “just another language.”
Goroutines and channels changed how I thought about parallelism.
Instead of juggling threads and race conditions, Go gave me elegant simplicity.
I could run multiple tasks simultaneously with just a go keyword — and it worked flawlessly.
It felt almost magical to see how lightweight and efficient concurrency could be.
Step 7: Error Handling and Testing
Go does error handling differently — and that’s a good thing.
There are no exceptions, no try-catch drama.
You handle errors immediately after they occur.
At first, it felt repetitive, but soon I realized it brought clarity to my code.
Every function told a story — not just what it did, but what could go wrong.
Go also provides a solid testing library, making it simple to write unit tests.
Testing became less about ceremony and more about confidence.
Step 8: Networking and Protocols
This is where I truly saw Go’s power.
With the net/http package, building RESTful APIs, WebSocket servers, or even full networking protocols became surprisingly intuitive.
Go feels like it was born for backend and networking — stable, fast, and precise.
I learned to deploy distributed systems, handle multiple servers, and design high-availability services.
And I did it all with a language that never felt heavy.
Step 9: Building Real-world Projects
Learning is one thing. Shipping is another.
After all the theory, I built my first real-world project:
a RESTful API using Fiber, connected to a database, and deployed to a real server.
That project taught me more than any tutorial could.
When things broke, I learned to debug.
When APIs timed out, I learned to optimize.
And when it finally worked, I learned what satisfaction feels like.
That’s when I realized — Go isn’t just a language.
It’s a mindset: clean, simple, and relentless in its pursuit of performance.
Reflections from the Journey
Learning Go wasn’t always easy.
But every frustration eventually turned into understanding.
With its simple syntax, uncompromising efficiency, and elegant concurrency model, Go has become one of my favorite tools in the indie hacker’s toolkit.
If you’re just starting out, be patient.
Take it one concept at a time.
Because once you see how Go handles real-world problems — from small CLI tools to massive distributed systems —
you’ll understand why so many of us fall in love with it.
Final Thoughts
The Go community often says:
“Don’t fight the language. Let it teach you simplicity.”
And I couldn’t agree more.
So wherever you are on your journey — keep building, keep learning, and remember: every little function, every pointer, every bug — it all adds up to growth.
Good luck on your Golang journey.
May your goroutines be fast and your builds be clean.
NOTES
- Article posted in 2024 and reposted
- AI-powered translation
-
Read the original Vietnamese version here: https://hnq.vn/blog/lo-trinh-hoc-golang-va-trai-nghiem-ca-nhan-cua-minh
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