# Use Python 3.9 image
FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Install system dependencies
# libsndfile1 is required for soundfile/librosa
# ffmpeg is required for pydub
# Install system dependencies directly to avoid line-ending issues
RUN apt-get update && apt-get install -y \
    libsndfile1 \
    ffmpeg \
    build-essential \
    python3-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy backend requirements
# Copy backend requirements
COPY backend/requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy the application code
COPY . .

# Create data directory just in case
RUN mkdir -p "data sets"

# Expose the port Hugging Face expects (7860)
EXPOSE 7860

# Run the Uvicorn server
# Using backend.main:app as per run_app.ps1
# Binding to 0.0.0.0 and port 7860
CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "7860"]