# Use a slim Python image
FROM python:3.9-slim

# Set the working directory
WORKDIR /app

# Install system dependencies required for PyAudio, ffmpeg, and virtual audio devices
RUN apt-get update && \
    apt-get install -y \
    python3-dev portaudio19-dev libportaudio2 \
    alsa-utils alsa-oss alsa-tools pulseaudio \
    build-essential gcc && \
    rm -rf /var/lib/apt/lists/*

# Set up a virtual audio device (for environments without physical audio hardware)
RUN echo "pcm.!default { type hw card 0 }" > /etc/asound.conf && \
    echo "ctl.!default { type hw card 0 }" >> /etc/asound.conf

# Copy application files into the container
COPY . .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Expose the necessary port
EXPOSE 7860

# Set environment variable to ensure PyAudio works
ENV PULSE_SERVER unix:/run/user/1000/pulse/native

# Set the default command to run the application
CMD ["python", "app.py"]