Quick deploy script

deploy.go

package main

import (
	"fmt"
	"io/ioutil"
	"os"
	"os/exec"
)

func main() {
	var domain string

	// GET DOMAIN FROM CNAME
	if raw, err := ioutil.ReadFile("CNAME"); err == nil {
		domain = string(raw)
	}

	// OVERRIDE WITH DOMAIN ARG IF PROVIDED
	if len(os.Args) > 1 {
		domain = os.Args[1]
	}

	createCNAME(domain)

	fmt.Println("Running build.")
	if err := exec.Command("npm", "run", "build").Run(); err != nil {
		panic(err)
	}

	fmt.Println("Deploying to", domain)
	if err := exec.Command("surge", "./build", domain).Run(); err != nil {
		panic(err)
	}
}

func createCNAME(domain string) {
	os.Remove("CNAME")
	f, _ := os.Create("CNAME")
	defer f.Close()
	f.WriteString(domain)
	f.Sync()
}