Dockerfile

FROM python:3.10-slim

ENV PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    HF_HOME=/data/cache

# System dependencies required by TTS/XTTS for audio processing
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        ffmpeg \
        libsndfile1 \
        espeak-ng \
        git \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt ./
RUN pip install --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

COPY app.py ./

ENV PORT=7860
EXPOSE 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]