Dockerfile

FROM python:3.11-slim

# System dependencies
RUN apt-get update && apt-get install -y \
    git \
    ffmpeg \
    libsndfile1 \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user
RUN useradd -ms /bin/bash appuser
USER appuser
WORKDIR /app

# Add user's local bin to PATH
ENV PATH="/home/appuser/.local/bin:${PATH}"

# Python dependencies
COPY --chown=appuser:appuser requirements.txt /app/requirements.txt
RUN python -m pip install --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# App code
COPY --chown=appuser:appuser app.py /app/app.py

EXPOSE 7860
CMD ["python", "-m", "uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]