FROM python:3.10-slim

# Set up a new user named "user" with user ID 1000
RUN useradd -m -u 1000 user

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

# Switch to the "user" user
USER user

# Set environment variables
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONUNBUFFERED=1

# Set the working directory
WORKDIR $HOME/app

# Copy requirements and install dependencies
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy application files
COPY --chown=user . .

# Create audio output directory
RUN mkdir -p $HOME/app/audio_output && chmod 777 $HOME/app/audio_output

# Expose port 7860 (required by Hugging Face Spaces)
EXPOSE 7860

# Run the Flask application
CMD ["python", "app.py"]