FROM python:3.10-slim

ENV PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    HF_HOME=/data/cache \
    MODEL_DIR=/data/indextts2

# System deps (ffmpeg required for audio processing, git for IndexTTS2 install)
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg git curl ca-certificates && \
    rm -rf /var/lib/apt/lists/*

# Create model directory
RUN mkdir -p /data/indextts2

WORKDIR /app

COPY requirements.txt ./
RUN pip install --upgrade pip && pip install -r requirements.txt

COPY app.py ./

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