wkhtmltopdf usage for PDF rendering

agreement.html

<h1>{{.Stuff}} is really neato!</h2>

main.go

package main

import (
	"log"
	"net/http"
	"os"
	"text/template"

	"github.com/gorilla/context"
	"github.com/gorilla/mux"
	pdf "github.com/terryh/gopdf"
)

func main() {
	r := mux.NewRouter()
	r.HandleFunc("/coolstuff", GetCoolStuff).Methods("GET")

	http.Handle("/", r)
	log.Println("listening on 0.0.0.0:8080")
	err := http.ListenAndServe(":8080", context.ClearHandler(http.DefaultServeMux))
	log.Println(err)
}

type Thingy struct {
	Stuff string
}

func GetCoolStuff(w http.ResponseWriter, r *http.Request) {
	// get models
	th := &Thingy{
		Stuff: "pandabear",
	}

	// open file handle
	f, err := os.Create("/tmp/panda.html") // + something unique for user
	if err != nil {
		log.Fatal("error making tmp file: ", err)
	}
	defer f.Close()

	// write template to file
	t, err := template.ParseFiles("agreement.html")
	if err != nil {
		log.Fatal("error making template: ", err)
	}
	t.Execute(f, th)

	// return PDF
	p, err := pdf.Url2pdf("/tmp/panda.html")
	w.Header().Set("Content-Type", "application/pdf")
	w.Write(p)
}