Dockerfile

# Use official lightweight Python image
FROM python:3.11-slim

# Install system dependencies for edge-tts
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    ffmpeg \
    portaudio19-dev \
    && rm -rf /var/lib/apt/lists/*

# Set up user with UID 1000 per Hugging Face Spaces requirements
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:${PATH}"

# Set the working directory
WORKDIR /app

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

# Copy the rest of the application files
COPY --chown=user:user main.py .

# Expose the default port for Hugging Face Spaces
EXPOSE 7860

# Container healthcheck
HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:7860/health')" || exit 1

# Run FastAPI app with Uvicorn
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--timeout-keep-alive", "1800"]