21.6 Go Development Environment

The Go language was developed by Google and is a programming language with native concurrency support.

This section configures the Go language development environment on FreeBSD, including toolchain installation and version settings.

Installing Go

Install using pkg:

# pkg install go

Or install using Ports:

# cd /usr/ports/lang/go/
# make install clean

Note

The Go version number go1.25.10 in this section is the Ports version at the time of writing. Please adjust according to the latest Go version available in FreeBSD Ports, which can be queried with pkg search go.

After successful installation, check the installed Go language version information:

$ go version
go version go1.25.10 freebsd/amd64

A Blessing for a Beautiful World

Create a new text file helloWorld.go and add the following content:

package main // Declare the main package; the program entry package must be main

import "fmt" // Import the fmt package for formatted output

func main() { // Main function, program entry
	fmt.Println("Hello, World!") // Print "Hello, World!" to the console
}

After saving, run the following command in the terminal to execute the program:

$ go run helloWorld.go
Hello, World!

JetBrains GoLand IDE

Install JetBrains GoLand IDE using pkg:

# pkg install jetbrains-goland

Or install using Ports:

# cd /usr/ports/devel/jetbrains-goland/
# make install clean

JetBrains GoLand IDE interface example

References

• Go Project. Effective Go[EB/OL]. [2026-04-17]. https://go.dev/doc/effective_go. Official Go language best practices document, introducing idiomatic patterns and concurrency models.