FROM python:3.11-slim

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

# Install only essential system dependencies
RUN apt-get update && apt-get install -y \
    git \
    git-lfs \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# Initialize git lfs
RUN git lfs install

# Switch to the "user" user
USER user

# Set environment variables
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    COQUI_TOS_AGREED=1 \
    HF_HUB_DISABLE_TELEMETRY=1

# Set the working directory
WORKDIR $HOME/app

# Upgrade pip
RUN pip install --no-cache-dir --upgrade pip

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

# Pre-download the C-3PO model to speed up startup
RUN python -c "from huggingface_hub import snapshot_download; snapshot_download(repo_id='Borcherding/XTTS-v2_C3PO', local_dir='./models/XTTS-v2_C3PO', local_dir_use_symlinks=False)"

# Copy the API file
COPY --chown=user coqui_api.py .

# Expose the port
EXPOSE 7860

# Start the C-3PO TTS API
CMD ["uvicorn", "coqui_api:app", "--host", "0.0.0.0", "--port", "7860"]