Go template code - simple one

template-html.go

package main

import (
    "github.com/julienschmidt/httprouter"
    "html/template"
    "log"
    "net/http"
)

func Home(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
    // Parse templates.
    var templates = template.Must(template.New("").ParseFiles("index.html"))

    // Execute template.
    templates.ExecuteTemplate(w, "index.html", nil)
}

func main() {
    router := httprouter.New()

    router.GET("/", Home)

    log.Fatal(http.ListenAndServe(":3000", router))
}