package main

import (
	"bytes"
	"compress/gzip"
	"log"
	"net/http"
)

func main() {
	data := []byte("AAAAAAAAAA")

	var gzipData bytes.Buffer

	gzipEncoder := gzip.NewWriter(&gzipData)
	if _, err := gzipEncoder.Write(data); err != nil {
		log.Fatal(err)
	}

	gzipEncoder.Close()

	http.HandleFunc("/compressed", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Encoding", "gzip")
		w.Header().Set("Content-Type", "text/plain")

		w.Write(gzipData.Bytes())
	})

	http.HandleFunc("/data", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "text/plain")

		w.Write(data)
	})

	if err := http.ListenAndServe(":9000", nil); err != nil {
		log.Fatal(err)
	}
}