Write Professional Command-line Programs in Go

Gain insights into writing professional command-line programs in Go. Delve into structuring Go programs, writing idiomatic code, testing effectively, and impressing users and managers.

Intermediate

63 Lessons

28h 30min

Certificate of Completion

Gain insights into writing professional command-line programs in Go. Delve into structuring Go programs, writing idiomatic code, testing effectively, and impressing users and managers.

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

64 Playgrounds

24 Quizzes

This course includes

64 Playgrounds

24 Quizzes

Course Overview

In this course you will learn why Go is an awesome language for writing command-line programs. You will learn how to structure your Go programs, how to write idiomatic Go code, how to test your programs and how to amaze your users, peers and managers. The focus is on command-line programs in order to keep the course down to earth, but most of the principles and best practices you will learn apply to any Go program.

Course Content

Overview

Learn how to use Go to build versatile and efficient command-line programs.

What's a Command-Line Program?

Why Go?

Lightning Quick Introduction to Go

Restructuring multi-git

Unpack the core of restructuring multi-git for better code organization and collaboration.

The foundations of a Go Program Creating the Directory Structure Refactoring the Core Logic Adding a Helpers Package Refactoring the Command-Line interface

Testing 1,2,3...

Examine Go's testing capabilities, tools like Ginkgo and Gomega, and comprehensive e2e testing.

Introducing the Built-in Go Testing Support Running Go Tests Checking Test Coverage Quick introduction to Ginkgo and Gomega Writing BDD Tests for Multi-git Running Unit Tests for Multi-git Preparing for End-to-End Tests Building the Foundation for End to End Tests Writing End-to-End Tests Running End-to-End Tests Debugging With Tests

Adding Smart Command-Line Parsing

Grasp the fundamentals of using Cobra for structured command-line applications in Go.

Introduction to Cobra Comparing Cobra to Alternatives Working with Cobra - The Root Command Working with Cobra - The Sub-commands Working with Cobra - Flags Understanding the Cobra Generator Creating an Application Skeleton With the Cobra Generator Adding Commands With the Cobra Generator Building the Application on Top of the Skeleton Finalizing the Cobra-generated Application Refactoring Multi-git to use Cobra - The Plan Refactoring Multi-git to use Cobra - The Root Command Finalizing the Integration of Cobra into Multi-git

Adding Advanced Configuration

Harness advanced configuration techniques in Go, using Viper and Cobra for flexible and efficient command-line programs.

Understanding Program Configuration Taking Advantage of Sophisticated Configuration Introduction to Viper Viper and Environment Variables Locating Configuration Files Reading and Writing Configuration Files Watching Configuration Files Understanding Remote Configuration Dynamic Remote Configuration with Viper Understanding the Synergy Between Cobra and Viper Integrating Cobra and Viper Refactoring Multi-git to use Viper Adding a Configuration File to Multi-git

Adding Bells and Whistles

13 Lessons

See how it works to enhance Go command-line programs with builds, linking, CI/CD, and Docker.

Summary

1 Lesson

Build on developing versatile Go command-line programs, testing, and cloud-related technologies.

Course Author

Show License and Attributions

Trusted by 1.4 million developers working at companies

Anthony Walker

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Emma Bostian 🐞

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Evan Dunbar

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Carlos Matias La Borde

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Anthony Walker

@_webarchitect_

Emma Bostian 🐞

@EmmaBostian

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