Golang App Engine - Using Echo router with Appstats (for fixing/optimizing queries)

app.go

// +build appengine

package main

import (
	"github.com/labstack/echo"
	"github.com/mjibson/appstats"
	"golang.org/x/net/context"
	"net/http"
)

// reference our echo instance and create it early
var e = createMux()

func init() {
	// note: we don't need to provide the middleware or static handlers,
	// that's taken care of by the platform
	// app engine has it's own "main" wrapper - we just need to hook
	// appstats and echo into the default handler
	http.Handle("/", appstats.NewHandler(echoServe))
}

func echoServe(c context.Context, w http.ResponseWriter, r *http.Request) {
	e.ServeHTTP(w, r)
}

func createMux() *echo.Echo {
	e := echo.New()
	e.Favicon("assets/images/favicon.png")
	e.Static("/assets", "assets")
	return e
}