FROM python:3.11-slim

WORKDIR /app

# Install system dependencies (ffmpeg REQUIRED for audio conversion!)
RUN apt-get update && apt-get install -y \
    ffmpeg \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

# Force rebuild: v2 - fix JSON parsing
COPY requirements.txt .

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

# Pre-download Whisper model during build (faster startup)
RUN python -c "from transformers import pipeline; pipeline('automatic-speech-recognition', model='openai/whisper-small')"

# Copy application code
COPY ./app /app/app

# HuggingFace Spaces uses port 7860
EXPOSE 7860

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