package main import ( "fmt" "net/http" "os" ) func helloHandler(w http.ResponseWriter, r *http.Request) { response := os.Getenv("RESPONSE") if len(response) == 0 { response = "Hello OpenShift!" } fmt.Fprintln(w, response) fmt.Println("Servicing request.") } func listenAndServe(port string) { fmt.Printf("serving on %s\n", port) err := http.ListenAndServe(":"+port, nil) if err != nil { panic("ListenAndServe: " + err.Error()) } } func main() { http.HandleFunc("/", helloHandler) port := os.Getenv("PORT") if len(port) == 0 { port = "8080" } go listenAndServe(port) port = os.Getenv("SECOND_PORT") if len(port) == 0 { port = "8888" } go listenAndServe(port) select {} }