Version 3 starter

backend/internal/api/handler/not_allowed.go

@@ -0,0 +1,14 @@
+package handler
+
+import (
+	"net/http"
+
+	h "npm/internal/api/http"
+)
+
+// NotAllowed is a json error handler for when method is not allowed
+func NotAllowed() func(http.ResponseWriter, *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		h.ResultErrorJSON(w, r, http.StatusNotFound, "Not allowed", nil)
+	}
+}