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package main
import (
const DEFAULT_PORT = 3000
// Returns either the DEFAULT_PORT or a port specified via environment variables
func getPort() string {
port, err := strconv.Atoi(os.Getenv("PORT"))
// strconv.Atoi("") == 0
if port == 0 || err != nil {
return fmt.Sprintf(":%d", port)
func rootHandler(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "Hello from our Webserver!\n")
func endpointHandler(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "GET":
fmt.Fprintf(w, "This is a GET request")
case "POST":
fmt.Fprintf(w, "This is a OPTIONS request")
case "OPTIONS":
fmt.Fprintf(w, "This is a OPTIONS request")
fmt.Fprintf(w, "This is an unsported request method")
logger.Log(fmt.Sprintf("ERROR: Unsupported request made: %s", r.Method))
func main() {
http.HandleFunc("/", rootHandler)
http.HandleFunc("/endpoint", endpointHandler)
log.Fatal(http.ListenAndServe(getPort(), nil))
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