Dockerfile

# Use official Python base
FROM python:3.9-slim
# Add this near the top of your Dockerfile


# Prevent prompts during package installation
ENV DEBIAN_FRONTEND=noninteractive
# Fix Numba caching issue
ENV NUMBA_CACHE_DIR=/tmp

# Install essential system packages for audio and ML
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    cmake \
    curl \
    git \
    fluidsynth \
    ffmpeg \
    libsndfile1 \
    libaubio-dev \
    libavcodec-dev \
    libavformat-dev \
    libavutil-dev \
    libsamplerate0-dev \
    libjack-dev \
    libasound2-dev \
    libportaudio2 \
    portaudio19-dev \
    rubberband-cli \
    sox \
    && rm -rf /var/lib/apt/lists/*

# Set work directory
WORKDIR /app

# Copy requirements file first to leverage Docker cache
COPY requirements.txt .

# Install tensorflow-cpu explicitly (needed for crepe)
RUN pip3 install --no-cache-dir tensorflow-cpu==2.10.0

# Install the rest of the Python dependencies from requirements.txt
RUN pip3 install --no-cache-dir -r requirements.txt

# Verify Numba configuration
RUN python -c "import numba; print(f'Numba version: {numba.__version__}'); print(f'Numba cache config: {numba.config.CACHE_DIR}')"

# Copy your actual codebase
COPY . .
EXPOSE 7860

# Default command to run the FastAPI application using Uvicorn
CMD ["python3", "-m", "uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]