Go POST request to cssminifier.com

cssmin.go

package main

import (
	"bytes"
	"fmt"
	"io/ioutil"
	"net/http"
	"net/url"
	"strconv"
)

func main() {

	targetUrl := "http://cssminifier.com/raw"
	file, err := ioutil.ReadFile("./raw.css")
	if err != nil {
		panic(err)
	}

	data := url.Values{}
	data.Set("input", string(file))
	r, _ := http.NewRequest("POST", targetUrl, bytes.NewBufferString(data.Encode()))
	client := &http.Client{}
	r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
	r.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))
	resp, _ := client.Do(r)
	if resp.Status == "200 OK" {
		bytes, err := ioutil.ReadAll(resp.Body)
		if err != nil {
			panic(err)
		}
		fmt.Println(string(bytes))
	}

}