FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

WORKDIR /app

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

COPY requirements.txt ./
RUN pip install --upgrade pip && pip install -r requirements.txt

COPY . .

RUN mkdir -p uploads instance

ENV FLASK_APP=app.py

EXPOSE 7860

CMD ["python", "-m", "flask", "run", "--host=0.0.0.0", "--port=7860"]