FROM python:3.10-slim

# system dependencies (important for audio + ffmpeg)
RUN apt-get update && apt-get install -y \
    git \
    ffmpeg \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# install python deps first (better caching)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# copy app
COPY . .

# HF Spaces uses 7860 port
ENV PORT=7860

# start server
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]