JSON export file with Go (via io/ioutil)

foo.json

{"name":"this is the name value","description":"this is the description value","email":"this is the email value"}

main.go

package main

import (
	"encoding/json"
	"io/ioutil"
)

// JSON struct
type Conf struct {
	Name        string `json:"name"`
	Description string `json:"description"`
	Email       string `json:"email"`
}

func main() {
	// Values data
	data := Conf{"this is the name value", "this is the description value", "this is the email value"}

	// Transform to JSON (bytes format)
	content, err := json.Marshal(data)
	if err != nil {
		panic(err)
	}

	// Write in a file (or existing ecrase)
	err = ioutil.WriteFile("foo.json", content, 0644)
	if err != nil {
		panic(err)
	}
}