FROM python:3.10-slim

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    libjpeg62-turbo-dev \
    zlib1g-dev \
    libfreetype6-dev \
    libopenjp2-7-dev \
    libtiff6 \
    && rm -rf /var/lib/apt/lists/*

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

COPY . .

ENV PORT=7860
EXPOSE 7860

CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]