FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    HF_HOME=/data/hf \
    TRANSFORMERS_CACHE=/data/hf/transformers \
    TORCH_HOME=/data/hf/torch \
    COQUI_TOS_AGREED=1 \
    OMP_NUM_THREADS=2 \
    MKL_NUM_THREADS=2 \
    NUMEXPR_NUM_THREADS=2 \
    KMP_BLOCKTIME=1 \
    KMP_AFFINITY="granularity=fine,compact,1,0"

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

WORKDIR /app

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

COPY app.py /app/app.py

EXPOSE 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]