Super simple golang reverse proxy

main.go

package main

import (
	"log"
	"net/http"
	"net/http/httputil"
	"net/url"
	"os"
)

var (
	apiURL = &url.URL{
		Scheme: "http",
		Host:   "35.228.103.113",
	}
)

func main() {
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		reverseProxy := httputil.NewSingleHostReverseProxy(apiURL)
		reverseProxy.ServeHTTP(w, r)
	})

	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}
	log.Println("Serving http://localhost:" + port)
	log.Fatal(http.ListenAndServe(":"+port, nil))
}