fix: do not listen from port for stdio (#719)

Fix #711

cmd/root.go

@@ -352,30 +352,33 @@ func run(cmd *Command) error {
 		return errMsg
 	}
 
-	err = s.Listen(ctx)
-	if err != nil {
-		errMsg := fmt.Errorf("toolbox failed to start listener: %w", err)
-		cmd.logger.ErrorContext(ctx, errMsg.Error())
-		return errMsg
-	}
-	cmd.logger.InfoContext(ctx, "Server ready to serve!")
-
 	// run server in background
 	srvErr := make(chan error)
-	go func() {
-		defer close(srvErr)
-		if cmd.cfg.Stdio {
+	if cmd.cfg.Stdio {
+		go func() {
+			defer close(srvErr)
 			err = s.ServeStdio(ctx, cmd.inStream, cmd.outStream)
 			if err != nil {
 				srvErr <- err
 			}
-		} else {
+		}()
+	} else {
+		err = s.Listen(ctx)
+		if err != nil {
+			errMsg := fmt.Errorf("toolbox failed to start listener: %w", err)
+			cmd.logger.ErrorContext(ctx, errMsg.Error())
+			return errMsg
+		}
+		cmd.logger.InfoContext(ctx, "Server ready to serve!")
+
+		go func() {
+			defer close(srvErr)
 			err = s.Serve(ctx)
 			if err != nil {
 				srvErr <- err
 			}
-		}
-	}()
+		}()
+	}
 
 	// wait for either the server to error out or the command's context to be canceled
 	select {