FROM nvidia/cuda:12.2.2-cudnn8-runtime-ubuntu22.04

ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONUNBUFFERED=1

RUN apt-get update && apt-get install -y --no-install-recommends \
    python3 python3-pip git \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# PyTorch CUDA-Wheels zuerst, damit diffusers nicht CPU-Torch zieht.
# Versionsmatrix wie bei f5tts gehalten (cu121, Torch 2.3.1) — gleicher
# Treiber-Footprint, gleicher HF-Cache-Pfad.
RUN pip3 install --no-cache-dir torch==2.3.1 \
    --index-url https://download.pytorch.org/whl/cu121

COPY requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

COPY bridge.py .

CMD ["python3", "bridge.py"]