FROM python:3.11-slim

WORKDIR /app

# Install system dependencies for audio processing
RUN apt-get update && apt-get install -y \
    ffmpeg \
    libsndfile1 \
    build-essential \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for layer caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY api/ ./api/
COPY src/ ./src/
COPY configs/ ./configs/
COPY models/ ./models/
COPY training/ ./training/

# Create necessary directories
RUN mkdir -p logs data/manifests reports

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    DEVICE=cpu \
    LOG_LEVEL=INFO

# HF Spaces expects port 7860
EXPOSE 7860

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