FROM python:3.11-slim

# System deps for torchaudio + soundfile
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    libsndfile1 \
    git \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python deps first (layer cache)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app code
COPY . .

# HuggingFace Spaces runs as a non-root user — ensure writable dirs
RUN mkdir -p /app/dataset/audio /app/static && \
    chmod -R 777 /app/dataset /app/static

# HuggingFace Spaces always expects port 7860
EXPOSE 7860

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