diff --git a/Dockerfile b/Dockerfile
index 598a8ee8..5de162aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,5 +8,8 @@ RUN apt-get update
 RUN apt-get install portaudio19-dev -y
 RUN apt-get install libvpx-dev -y
 RUN go get github.com/pions/webrtc
-RUN go get github.com/gordonklaus/portaudio
+#RUN go get github.com/gordonklaus/portaudio
 RUN go get github.com/gorilla/mux
+RUN go install github.com/giongto35/game-online
+
+EXPOSE 8000
diff --git a/ui/audio.go b/ui/audio.go
deleted file mode 100644
index 6508b2cb..00000000
--- a/ui/audio.go
+++ /dev/null
@@ -1,54 +0,0 @@
-package ui
-
-import "github.com/gordonklaus/portaudio"
-
-type Audio struct {
-	stream         *portaudio.Stream
-	sampleRate     float64
-	outputChannels int
-	channel        chan float32
-}
-
-func NewAudio() *Audio {
-	a := Audio{}
-	a.channel = make(chan float32, 44100)
-	return &a
-}
-
-func (a *Audio) Start() error {
-	host, err := portaudio.DefaultHostApi()
-	if err != nil {
-		return err
-	}
-	parameters := portaudio.HighLatencyParameters(nil, host.DefaultOutputDevice)
-	stream, err := portaudio.OpenStream(parameters, a.Callback)
-	if err != nil {
-		return err
-	}
-	if err := stream.Start(); err != nil {
-		return err
-	}
-	a.stream = stream
-	a.sampleRate = parameters.SampleRate
-	a.outputChannels = parameters.Output.Channels
-	return nil
-}
-
-func (a *Audio) Stop() error {
-	return a.stream.Close()
-}
-
-func (a *Audio) Callback(out []float32) {
-	var output float32
-	for i := range out {
-		if i%a.outputChannels == 0 {
-			select {
-			case sample := <-a.channel:
-				output = sample
-			default:
-				output = 0
-			}
-		}
-		out[i] = output
-	}
-}