Dockerfile

# Hugging Face Spaces Docker
FROM python:3.11-slim

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    wget \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

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

ENV PATH="/home/user/.local/bin:$PATH"
ENV HOME="/home/user"

WORKDIR /app

# Copy requirements first for better caching
COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy application files
COPY --chown=user . /app

# Create necessary directories
RUN mkdir -p /app/instance /app/tts_cache /app/audio_cache

# Set environment variables for HF Spaces
ENV FLASK_ENV=production
ENV IS_SPACES=true
ENV PORT=7860

# Expose port
EXPOSE 7860

# Run with waitress (already in requirements.txt)
CMD ["python", "app.py"]