FROM python:3.11-slim

RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg curl git \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Pre-download Whisper base model at build time so runtime never hangs
# Model is cached to ~/.cache/whisper by default
RUN python -c "import whisper; whisper.load_model('base')"

WORKDIR /app
COPY app.py .

RUN useradd -m -u 1000 appuser && \
    mkdir -p /home/appuser/.cache && \
    cp -r /root/.cache/whisper /home/appuser/.cache/whisper && \
    chown -R appuser:appuser /app /home/appuser/.cache
USER appuser

EXPOSE 7860
CMD ["python", "app.py"]