FROM python:3.11-slim

RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg libsndfile1 ca-certificates && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Writable caches so model download doesn't hit /.cache permission errors
ENV HF_HOME=/data/hf
ENV HUGGINGFACE_HUB_CACHE=/data/hf
ENV TRANSFORMERS_CACHE=/data/hf
RUN mkdir -p /data/hf && chmod -R 777 /data

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

COPY app.py .

ENV PORT=7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]