FROM nvidia/cuda:12.1.1-cudnn8-runtime-ubuntu22.04

ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONUNBUFFERED=1

RUN apt-get update && apt-get install -y --no-install-recommends \
    python3 python3-pip python3-dev \
    git ffmpeg libsndfile1 \
    build-essential g++ \
    && rm -rf /var/lib/apt/lists/*

RUN ln -sf /usr/bin/python3 /usr/bin/python

WORKDIR /app

# Install PyTorch with CUDA 12.1
RUN pip install --no-cache-dir \
    torch==2.5.1 torchaudio==2.5.1 \
    --index-url https://download.pytorch.org/whl/cu121

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

COPY app.py .

# Pre-download model weights
RUN python -c "from sonics import HFAudioClassifier; HFAudioClassifier.from_pretrained('awsaf49/sonics-spectttra-alpha-120s')"

EXPOSE 8003

RUN adduser --disabled-password --gecos '' appuser
USER appuser

ENV PRELOAD_MODEL=true

CMD ["python", "app.py"]