add config tempdir and default values

config/config.go

@@ -13,6 +13,7 @@ type Server struct {
 
 type Worker struct {
 	ID         string
+	TempDir    string
 	Address    string
 	Name       string
 	FFmpegPath string

main.go

@@ -40,6 +40,14 @@ func main() {
 		return
 	}
 
+	if conf.Worker.FFmpegPath == "" {
+		conf.Worker.FFmpegPath = "ffmpeg"
+	}
+
+	if conf.Worker.TempDir == "" {
+		conf.Worker.TempDir = "/tmp"
+	}
+
 	if *isserver {
 		slog.Info("Starting Server...")
 		server.Start(conf, templates, static, migrations)