re-write with std usage of net/http

handlers/routes.go

@@ -0,0 +1,30 @@
+package handlers
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func RegisterRoutes() http.Handler {
+	mux := http.NewServeMux()
+
+	mux.HandleFunc("/", serveIndex)
+	mux.HandleFunc("/hello", helloHandler)
+	mux.HandleFunc("/goodbye", goodbyeHandler)
+
+	mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
+
+	return mux
+}
+
+func serveIndex(w http.ResponseWriter, r *http.Request) {
+	http.ServeFile(w, r, "static/index.html")
+}
+
+func helloHandler(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprint(w, "Hello, world!")
+}
+
+func goodbyeHandler(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprint(w, "Goodbye, world!")
+}