Step one:

go get github.com/Pallinder/go-randomdata
go get github.com/boombuler/barcode
go get github.com/boombuler/barcode/qr
go get github.com/gorilla/mux

Step two

go run main.go

//go-qr.go
package main

import (
        "image/png"
        "os"
        "log"
        "net/http"
        "net"
        "fmt"
        "time"
        "io/ioutil"

        "github.com/Pallinder/go-randomdata"
        "github.com/boombuler/barcode"
        "github.com/boombuler/barcode/qr"
        "github.com/gorilla/mux"
)
//var code *qrCode
func main() {

        r:= mux.NewRouter()
        srv := &http.Server {
                Addr:           "0.0.0.0:8000",
                WriteTimeout:   time.Second * 10,
                ReadTimeout:    time.Second * 15,
                IdleTimeout:    time.Second * 60,
                Handler: r,
        }

        r.HandleFunc("/qr", record).Methods("GET")

        log.Fatal(srv.ListenAndServe())
}

func record(w http.ResponseWriter, r *http.Request) {
        start_time := time.Now()
        host, _, _ := net.SplitHostPort(r.RemoteAddr)
        code, _ := qr.Encode(fmt.Sprintf("Stream:<%v> \033[36m%v <%v>\033[0m",  randomdata.Paragraph(), host, start_time), qr.M, qr.Auto)
        code, _ =  barcode.Scale(code, 200, 200)
        bin, _ := os.Create("tmp/bin.png")
        defer bin.Close() 

        png.Encode(bin, code)
        r_bin, _ := ioutil.ReadFile("tmp/bin.png")
        w.Write([]byte(r_bin))
        stop_time := time.Since(start_time)
        os.Remove("tmp/bin.png")
        fmt.Printf("\t\033[90mDONE %v \033[35mTook: %v\033[0m %v\n", time.Now(), stop_time, host)
}