FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PORT=7860 \
    WHISPER_MODEL_SIZE=small \
    MAX_UPLOAD_MB=250 \
    KEEP_HOURS=24

RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    fonts-dejavu-core \
    fontconfig \
    && rm -rf /var/lib/apt/lists/*

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

COPY . .
EXPOSE 7860
CMD ["python", "app.py"]