FROM python:3.11-alpine

# 安装 ffmpeg（alpine 版很小）
RUN apk add --no-cache ffmpeg

WORKDIR /app

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

COPY app/ .

RUN mkdir -p /app/data /app/audio

EXPOSE 3333

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "3333"]