Default interval and exit on server failure

server/server.go

@@ -27,14 +27,16 @@ func New(addr string, newItemHandler func(string, string, string, time.Duration)
 
 func (s *Server) Serve() error {
 	var err error
+	sigc := make(chan os.Signal)
 	go func() {
 		port := s.addr
 		if !strings.HasPrefix(port, ":") {
 			port = ":" + port
 		}
-		err = http.ListenAndServe(port, s)
+		if err = http.ListenAndServe(port, s); err != nil {
+			sigc <- syscall.SIGINT
+		}
 	}()
-	sigc := make(chan os.Signal)
 	signal.Notify(sigc,
 		syscall.SIGHUP,
 		syscall.SIGINT,
@@ -94,7 +96,9 @@ func (s *Server) newItem(w http.ResponseWriter, r *http.Request) {
 		Refresh       string `json:"refresh"`
 		ItemFilter    string `json:"items"`
 		ContentFilter string `json:"content"`
-	}{}
+	}{
+		Refresh: "3h",
+	}
 	if err := json.NewDecoder(r.Body).Decode(&newItemBody); err != nil {
 		s.bad(w, r)
 		return