Dockerfile

FROM python:3.11-slim

# Install system dependencies
# espeak-ng: Required for phonemizer (Coqui TTS)
# libsndfile1: Required for soundfile
# git: Required if any dependencies are installed from git
RUN apt-get update && apt-get install -y \
    espeak-ng \
    git \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

# Set up a new user named "user" with user ID 1000
RUN useradd -m -u 1000 user

# Switch to the "user" user
USER user

# Set home to the user's home directory
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Set working directory to the user's home directory
WORKDIR $HOME/app

# Copy the current directory contents into the container at $HOME/app setting the owner to the user
COPY --chown=user . $HOME/app

# Install Python dependencies
# We use --user to install to the user's home directory since we don't have root access
RUN pip install --no-cache-dir --user -r requirements.txt

# Create cache directory for TTS models if it doesn't exist
RUN mkdir -p tts_cache && chmod 777 tts_cache

# Expose port 7860 (Hugging Face Spaces default)
EXPOSE 7860

# Command to run the server
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]