Dockerfile

FROM python:3.11-slim

ENV DEBIAN_FRONTEND=noninteractive \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    HF_HOME=/data/.huggingface \
    VOICE_LAB_HOST=0.0.0.0 \
    VOICE_LAB_PORT=7860

WORKDIR /app

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

COPY . /app/

RUN python -m pip install --upgrade pip && \
    python -m pip install --no-cache-dir -e . --no-deps && \
    python -m pip install --no-cache-dir --upgrade \
      torch \
      ctranslate2 \
      fastapi \
      "uvicorn[standard]" \
      numpy \
      scipy \
      httpx \
      pydantic-settings \
      faster-whisper \
      soundfile \
      silero-vad \
      onnxruntime \
      transformers \
      accelerate \
      sentencepiece \
      safetensors \
      kokoro && \
    python -m pip install --no-cache-dir --upgrade \
      "nemo_toolkit[asr]" && \
    python -c "import onnxruntime, nemo.collections.asr; print('verified onnxruntime+nemo')"

EXPOSE 7860

CMD ["/bin/bash", "/app/start.sh"]