FROM nvidia/cuda:12.4.1-devel-ubuntu22.04

# Prevent interactive prompts
ENV DEBIAN_FRONTEND=noninteractive
ENV NVIDIA_VISIBLE_DEVICES=all
ENV NVIDIA_DRIVER_CAPABILITIES=compute,utility

# 1. Install Python 3.12 and SoX dependencies
RUN apt-get update && apt-get install -y software-properties-common && \
    add-apt-repository ppa:deadsnakes/ppa -y && \
    apt-get update && apt-get install -y \
    python3.12 \
    python3.12-dev \
    curl \
    git \
    libsndfile1 \
    ffmpeg \
    sox \
    libsox-dev && \
    rm -rf /var/lib/apt/lists/*

# 2. Use the official bootstrap to install a clean Pip for 3.12
RUN curl -sS https://bootstrap.pypa.io/get-pip.py | python3.12

WORKDIR /app

# 3. Explicitly install BOTH torch and torchaudio from the cu124 index
RUN python3.12 -m pip install --no-cache-dir torch==2.6.0 torchaudio --index-url https://download.pytorch.org/whl/cu124
RUN python3.12 -m pip install --no-cache-dir fastapi uvicorn numpy soundfile

# 4. Install the local Qwen3-TTS requirements
RUN python3.12 -m pip install --no-cache-dir faster-qwen3-tts

COPY tts-server.py .

EXPOSE 8002
CMD ["python3.12", "tts-server.py"]