# Use NVIDIA CUDA base image for GPU support
# For CPU-only, use: FROM python:3.11-slim
FROM nvidia/cuda:11.8.0-runtime-ubuntu22.04

# Install Python and system dependencies
RUN apt-get update && apt-get install -y \
    python3.11 \
    python3-pip \
    ffmpeg \
    git \
    gcc \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy requirements
COPY requirements.txt .

# Install build dependencies for madmom
RUN pip3 install --no-cache-dir Cython 'numpy<2.0.0'

# Install Python dependencies
RUN pip3 install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Create a wrapper script to patch torchaudio to use soundfile backend
RUN echo '#!/bin/bash\n\
# Force torchaudio to use soundfile backend\n\
export TORCHAUDIO_USE_BACKEND_DISPATCHER=0\n\
exec celery -A tasks worker --loglevel=info --concurrency=1\n\
' > /app/start-worker.sh && chmod +x /app/start-worker.sh

# Default command
CMD ["/app/start-worker.sh"]