# Minimal Dockerfile for WebSocket-only TTS service
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install minimal system packages
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Create non-root user
RUN useradd -m -u 1000 user

# Switch to user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

# Copy and install minimal requirements
COPY --chown=user requirements-websocket.txt .
RUN pip install --user --no-cache-dir -r requirements-websocket.txt

# Copy WebSocket server
COPY --chown=user websocket_tts_server.py .

# Expose port
EXPOSE 7860

# Environment variables
ENV GRADIO_SERVER_NAME="0.0.0.0" \
    GRADIO_SERVER_PORT=7860

# Run WebSocket-only TTS service
CMD ["python3", "websocket_tts_server.py"]