Beginner Zero to hero Code District

Go

From your first line to production services: simple, fast and concurrent.

Go is the language behind Docker, Kubernetes and countless cloud services. This track takes you from your very first line of code to production services: types, collections, interfaces, generics, goroutines and channels, HTTP APIs, PostgreSQL, testing and deployment.

Every lesson is short, practical and checked with quizzes, so you learn by doing.

Lessons: 57
Time: 7 h
Level: Beginner

Start the track · Why Go?

Bronze open
Silver open
Gold locked

Ready to prove it?

Three exams are waiting: Bronze, Silver and Gold.

Go to the exams

What you'll be able to do

Write clear, idiomatic Go with structs, interfaces and generics
Handle errors the way experienced Go developers do
Run work concurrently with goroutines, channels and context
Build a JSON REST API backed by PostgreSQL
Test, profile and ship a Go service to production

The journey

1
Module 1
Getting started

What Go is, your first program, and the tools you will use every day.

0 / 4
2
Module 2
Variables and types

Store values, choose the right type, and work with text correctly.

0 / 5
3
Module 3
Control flow

Make decisions and repeat work with if, for, switch and defer.

0 / 5
4
Module 4
Functions

Package logic into functions, return errors, and use closures.

0 / 4
5
Module 5
Arrays, slices and maps

Go's everyday collections and the traps that catch beginners.

0 / 4
6
Module 6
Structs, methods and interfaces

Model your own data and write code that works with any type that fits.

0 / 5
7
Module 7
Errors like a pro

Wrap, inspect and design errors so failures explain themselves.

0 / 4
8
Module 8
Generics

Write one function or type that works for many types, safely.

0 / 4
9
Module 9
Concurrency

Goroutines, channels, select, mutexes and context: Go's superpower.

0 / 6
10
Module 10
Web services

Serve HTTP, speak JSON, add middleware and build a REST API.

0 / 5
11
Module 11
Databases

Talk to PostgreSQL from Go: queries, transactions and safety.

0 / 4
12
Module 12
Production Go

Testing, benchmarks, project layout, profiling and shipping.

0 / 7