FROM nvidia/cuda:12.1.0-cudnn8-runtime-ubuntu22.04

WORKDIR /app

# Install Python and system dependencies
RUN apt-get update && apt-get install -y \
    python3.10 \
    python3-pip \
    ffmpeg \
    git \
    && rm -rf /var/lib/apt/lists/*

# Upgrade pip
RUN pip3 install --no-cache-dir --upgrade pip

# Install PyTorch with CUDA support
RUN pip3 install --no-cache-dir torch==2.1.0 torchaudio==2.1.0 --index-url https://download.pytorch.org/whl/cu121

# Copy requirements and install dependencies
COPY requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

# Copy application code
COPY server.py .

# Create directory for model cache
RUN mkdir -p /app/models

# Environment variables
ENV HF_HOME=/app/models
ENV TORCH_HOME=/app/models
ENV MODEL_NAME=facebook/musicgen-medium

# Expose port
EXPOSE 8000

# Run the server
CMD ["python3", "server.py"]