Update Dockerfile

Dockerfile

@@ -6,6 +6,7 @@ RUN apt-get update && apt-get install -y \
     libasound-dev \
     libportaudio2 \
     libportaudiocpp0 \
+    pulseaudio \
     gcc \
     && apt-get clean
 # Set the working directory inside the container
@@ -14,6 +15,8 @@ WORKDIR /app
 COPY . /app
 # Install Python dependencies
 RUN pip install --no-cache-dir -r requirements.txt
+RUN pactl load-module module-null-sink sink_name=virtual_mic
+RUN pactl load-module module-virtual-source source_name=virtual_mic.monitor
 # Expose the Streamlit default port
 EXPOSE 8501
 # Run the Streamlit app