FROM python:3.11-slim
ENV DEBIAN_FRONTEND=noninteractive \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# deps untuk psycopg2-binary & build wheels
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential git curl libpq-dev && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

# install deps dulu (cache layer)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# copy source
COPY . .

# port default Spaces
ENV PORT=7860

# start gunicorn
CMD ["gunicorn", "-w", "1", "-k", "gthread", "-t", "180", "-b", "0.0.0.0:7860", "app:app"]