FROM python:3.9.9-slim

# Copy static ffmpeg binaries
COPY --from=mwader/static-ffmpeg:6.0 /ffmpeg /usr/local/bin/
COPY --from=mwader/static-ffmpeg:6.0 /ffprobe /usr/local/bin/

# Set working directory
WORKDIR /app

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

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Download the models and clean up cache in the same layer
COPY download_model.py .
RUN python download_model.py && \
    rm -rf /root/.cache/huggingface

# Copy the rest of the application
COPY . .

# Expose the port
EXPOSE 7860

# Run the application
CMD gunicorn --bind 0.0.0.0:${PORT:-7860} --workers 1 --threads 8 --timeout 0 "app:app"