Dockerfile

FROM python:3.11-slim-bullseye

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PORT=7860

# Copy requirements first for better caching
COPY requirements.txt .

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

# Pre-download Silero VAD model
RUN python -c "import torch; torch.hub.load('snakers4/silero-vad', 'silero_vad', force_reload=True)"

# Copy application code
COPY bot_webrtc.py .
COPY server_webrtc.py .
COPY tracing_observer.py .

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=5s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

# Run the server
CMD ["python", "server_webrtc.py"]