FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    U2NET_HOME=/models

WORKDIR /app

RUN apt-get update \
    && apt-get install -y --no-install-recommends \
       ca-certificates \
       libgl1 \
       libglib2.0-0 \
       libgomp1 \
    && rm -rf /var/lib/apt/lists/* \
    && mkdir -p /models

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

COPY app.py .

EXPOSE 7860
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "1", "--threads", "2", "--timeout", "180", "app:app"]