spa catch-all Go app

main.go

package main

import (
  "html/template"
  "net/http"
)

var layout = template.Must(template.ParseGlob("layouts/base.html"))

func init() {
  http.HandleFunc("/", app)
}

func app(w http.ResponseWriter, r *http.Request) {
  data := make(map[string]interface{})

  if err := layout.Execute(w, data); err != nil {
    http.Error(w, err.Error(), http.StatusInternalServerError)
  }
}