FROM python:3.11-slim

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

RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH" \
    HF_HOME=/home/user/.cache/huggingface \
    PYTHONUNBUFFERED=1
WORKDIR /home/user/app

RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir torch --index-url https://download.pytorch.org/whl/cpu

# Hindi config ko "append_terminal_punctuation: false" chahiye, isliye GitHub ka latest pocket-tts
RUN pip install --no-cache-dir "git+https://github.com/kyutai-labs/pocket-tts.git" \
    fastapi "uvicorn[standard]" numpy huggingface_hub

# config.yaml local folder me, weights aur tokenizer HF cache me (build time par hi download)
RUN python -c "from huggingface_hub import hf_hub_download as d; r='saryps-labs/pocket-tts-hindi'; d(r,'config.yaml',local_dir='/home/user/hindi_model'); d(r,'model.safetensors'); d(r,'tokenizer.model')" || true

COPY --chown=user . /home/user/app

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