FROM python:3.10-slim

WORKDIR /app

# Install system dependencies (libsndfile for librosa/soundfile)
RUN apt-get update && apt-get install -y \
    libsndfile1 \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Pre-download the model during build to speed up startup
COPY download_model.py .
RUN python download_model.py

COPY ./app ./app
# We don't copy .env for security; HF Spaces uses Secret management or Env vars
# COPY .env . 

EXPOSE 7860

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]