Dockerfile

FROM python:3.9-slim

RUN apt-get update && apt-get install -y \
    ffmpeg \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app
COPY requirements.txt .

# Install numpy first to avoid conflicts
RUN pip install --no-cache-dir "numpy<2" && \
    pip install --no-cache-dir -r requirements.txt

RUN useradd -m appuser && \
    mkdir -p /app/.cache/huggingface && \
    chown -R appuser:appuser /app

ENV TRANSFORMERS_CACHE=/app/.cache/huggingface \
    HF_DATASETS_CACHE=/app/.cache/huggingface

USER appuser
COPY . .

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]