Dockerfile

# Use Python 3.9 base image
FROM python:3.9

# Install system dependencies first (as root)
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    libsndfile1 \
    ffmpeg \
    && 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"

WORKDIR /app

# Install Python dependencies
COPY --chown=user requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

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

# Run the API
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]