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When services call each other synchronously, they are tightly coupled.

Vertical scaling - adding more CPU, RAM, or faster disks to one machine - has hard limits.

Database replication is the process of keeping copies of the same data on multiple nodes.

The CAP theorem is the first concept most interviewers reach for when probing your knowledge of distributed systems.

Caching trades memory and freshness for speed and reduced load.

Code review is about to become your team’s biggest bottleneck.

In Building an MCP Server in Go we built a small Model Context Protocol server that exposed a tool to an AI assistant.

Google’s Agent Development Kit (ADK) just got a Go version, and in this tutorial we’re going to use it to build your first AI agent from scratch.

In this tutorial, we’re going to build a Model Context Protocol (MCP) server in Go from scratch.

Sometimes you don’t know how many arguments you’ll get — a party might have one hero or six.

Adventurers need somewhere to keep their gold, health, and gear.

The := operator is handy, but sometimes you want to be explicit about a variable’s type.

When you have one value and many possible branches, a chain of else if gets noisy.

So far our heroes have been scattered across separate variables.

When you’re juggling several channels, select waits on all of them at once and runs whichever is ready first: select { case msg := <-orders: fmt.Println("order:", msg) case <-quit: fmt.Println("standing down") } The sync package covers the cases where…

The war party charges, each member striking at once.

A barrage of blows is incoming, adventurer.

A locked chest sits before you.

You’ve returned from the dungeon with a pile of loot.

Time to descend into the dungeon, adventurer.

Time to put your training to the test, adventurer.

The moment of combat is here.

A pointer holds the memory address of a value rather than a copy of it.

A method is a function attached to a type via a receiver in front of its name: func (m Monster) Describe() string { return m.Name + " lurks nearby" } goblin.Describe() The receiver can be a value (m Monster) or a pointer (m *Monster).

Sometimes a list isn’t enough — you want to look things up by name.

An interface describes what a type can do, not what it is — a contract of method signatures: type Attacker interface { Attack() int } Any type that has those methods satisfies the interface implicitly — there’s no implements keyword.

Every adventurer must make decisions.

Every great adventure begins with a single step.

A goroutine is a lightweight thread of execution.

Functions are how you package up a spell to cast again and again.

Go keeps things simple: it has exactly one loop keyword, for, which covers every looping need.

Go doesn’t use exceptions.

defer schedules a call to run when the surrounding function returns — perfect for cleanup you don’t want to forget (closing a file, releasing a lock, snuffing a torch). func readScroll() { defer fmt.Println("scroll rolled back up") fmt.Println("reading…

Some values should never change mid-quest — the size of your backpack, the name of your guild.

Goroutines need a safe way to talk to each other.

This is it, adventurer — the final battle, and the end of your journey through Go.

Adventurers need to carry their spoils.

In this tutorial we are going to take a thorough look at log/slog — the structured logging package that landed in the standard library in Go 1.21.

In this tutorial, we are going to look at closures in Go.

In this tutorial we are going to look at how you can use Makefiles to automate the most common tasks in a Go project — building, running, and cross-compiling your application — all from a single make command.

Static images are a start, but real graphics need to move.

A triangle is a great proof-of-concept, but most real graphics involve images.

So far our triangle is static.

The triangle is the “hello world” of graphics programming.

In Part 1 we opened a window.

Welcome to the first part of this series on graphics programming with wgpu in Rust!

Note: If you are working with structured data, you may also like Go JSON Tutorial.

Source Code: The full source code for this tutorial is on GitHub: TutorialEdge/Go-Interfaces-Tutorial By the end of this tutorial, you’ll understand: What interfaces are and why Go uses them How to define your own interfaces How Go satisfies interfaces im…

In this tutorial, we’re going to walk through how to use Anthropic’s Claude API in Go using the official SDK — no Python, no boilerplate frameworks.

Go is a highly performant language built for concurrency.