add logs, fix design

main.go

@@ -4,15 +4,25 @@ import (
 	"downloadhub/api"
 	"downloadhub/data"
 	"flag"
+	"fmt"
+	"log/slog"
 )
 
 func main() {
 	var configFile string
-	flag.StringVar(&configFile, "c", "config.json", "Configuration file path")
+	var port int
+	flag.StringVar(&configFile, "c", "config.json", "configuration file path")
+	flag.IntVar(&port, "p", 3000, "port of the server")
 	flag.Parse()
 
+	slog.Info("loading configuration...")
 	d := data.Load(configFile)
+	slog.Info("configuration loaded!")
 
-	s := api.New(3000, d)
-	s.Serve()
+	slog.Info(fmt.Sprintf("starting server on :%d", port))
+	s := api.New(uint16(port), d)
+	err := s.Serve()
+	if err != nil {
+		panic(err)
+	}
 }