Dockerfile

FROM python:3.11-slim

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

# App dir
WORKDIR /app

# Writable cache path for HF models
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

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

# App
COPY app.py .

# Expose port expected by HF Spaces
ENV PORT=7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]