# Use a Python 3.10 slim image for a smaller footprint
FROM python:3.10-slim

# Install system dependencies (FFmpeg is critical for audio extraction)
RUN apt-get update && apt-get install -y \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# Set up a non-root user (Hugging Face Spaces best practice)
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

# Copy requirements first to leverage Docker cache
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Download spacy model (if you use it for NER/Patching)
RUN python -m spacy download en_core_web_sm

# Copy the rest of the application code
COPY --chown=user . .

# Create necessary directories for runtime
RUN mkdir -p app/uploads app/subtitles logs

# Expose the port Hugging Face expects
EXPOSE 7860

# Run the FastAPI app using uvicorn
# We use port 7860 as it is the default for HF Spaces
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]