FROM python:3.10-slim

WORKDIR /code

# Install system dependencies for audio processing (FFmpeg for whisper/librosa)
RUN apt-get update && apt-get install -y --no-install-recommends \
	ffmpeg \
	libsndfile1 \
	&& rm -rf /var/lib/apt/lists/*

COPY ./requirements.txt /code/requirements.txt

RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

COPY . /code

# Create a non-root user (HF Spaces requirement)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
	PATH=/home/user/.local/bin:$PATH \
	TRANSFORMERS_CACHE=/home/user/.cache/huggingface \
	HF_HOME=/home/user/.cache/huggingface

WORKDIR $HOME/app

COPY --chown=user . $HOME/app

# Expose port for HF Spaces
EXPOSE 7860

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]