Go logger server

logger.go

package main

import (
	"encoding/json"
	"fmt"
	"net/http"
	"os"
)

type LogMsg struct {
	Test string
}

func handleRequest(w http.ResponseWriter, r *http.Request) {

	w.Header().Set("Access-Control-Allow-Origin", "*")
	w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
	w.Header().Set("Access-Control-Allow-Headers", "Accept, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization")

	fmt.Fprintf(w, "Hi from %s", r.URL.Path[1:])

	decoder := json.NewDecoder(r.Body)
	var l LogMsg
	err := decoder.Decode(&l)

	f, err := os.OpenFile("perfman.log", os.O_RDWR|os.O_APPEND, 0666)

	if err != nil {
		panic(err)
	}

	defer f.Close()

	if _, err = f.WriteString(l.Test); err != nil {
		panic(err)
	}

}

func main() {
	http.HandleFunc("/logger", handleRequest)
	http.ListenAndServe(":3333", nil)
}

So far its a start. Very simple proof of concept. But it is running in production. Want to upgrade it to be concurrent and track more information.