simple_http.go

package main

import (
	"encoding/json"
	"io/ioutil"
	"log"
	"net/http"
)

var items = []string{}

func main() {
	port := ":8080"
	router := http.NewServeMux()
	router.HandleFunc("/test", postExample)

	log.Printf("Started Listening on localhost%s", port)
	log.Fatal(http.ListenAndServe(port, router))
}

func postExample(res http.ResponseWriter, req *http.Request) {
	switch req.Method {
	case "POST":
		content, err := ioutil.ReadAll(req.Body)
		defer req.Body.Close()

		if err != nil || len(content) == 0 {
			res.WriteHeader(http.StatusNoContent)
			return
		}
		// Do something with content
		// here we insert them to a slice
		items = append(items, string(content))
		res.WriteHeader(http.StatusCreated)
		res.Write([]byte("Succesfully created item!"))

	case "GET":
		items, _ := json.Marshal(items)
		res.Write(items)
	}

}