My First CLI
Welcome to the “My First CLI” tutorial! In this guide, you will learn how to create a simple Command-Line Interface (CLI) application using Cobra.
Prerequisites
- Basic knowledge of Go programming language.
- Go installed on your system.
Steps
-
Install Cobra
First, initialize a new Go module for your project:
mkdir my-cli
cd my-cli
go mod init my-cli
Then install the Cobra library:
go get -u github.com/spf13/cobra@latest
-
Initialize Your Project
Install the Cobra CLI generator:
go install github.com/spf13/cobra-cli@latest
Initialize your Cobra project:
cobra-cli init
Your Cobra application is ready at
/path/to/my-cli
-
Add Commands
Add a new command to your CLI:
cobra-cli add serve
serve created at /path/to/my-cli
-
Run Your CLI
Build and test your CLI application:
go build -o my-cli
./my-cli
A longer description that spans multiple lines and likely contains
examples and usage of using your command. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.
Test the new serve command:
./my-cli serve
serve called
Summary
By the end of this tutorial, you will have a working CLI application built with Cobra. Stay tuned for more advanced tutorials!