Quick HTTPS debug server

main.go

package main

import (
	"fmt"
	"log"
	"net/http"
	"net/http/httputil"
	"os"

	"golang.org/x/crypto/acme/autocert"
)

func main() {
	mux := http.NewServeMux()
	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		req, err := httputil.DumpRequest(r, true)
		if err != nil {
			w.WriteHeader(500)
			return
		}
		fmt.Fprintln(os.Stdout, string(req)+"\n\n")
		w.WriteHeader(200)
	})
	log.Fatal(http.Serve(autocert.NewListener("my-domain.com"), mux))
}