FROM python:3.14-slim AS builder

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

WORKDIR /app

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

COPY requirements.txt ./

RUN pip install --upgrade pip \
    && pip wheel --wheel-dir /wheels -r requirements.txt


FROM python:3.14-slim AS runtime

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

WORKDIR /app

RUN addgroup --system app && adduser --system --ingroup app app

COPY requirements.txt ./
COPY --from=builder /wheels /wheels

RUN pip install --no-cache-dir --no-index --find-links=/wheels -r requirements.txt \
    && rm -rf /wheels

COPY . .

RUN mkdir -p /app/static/img /app/images \
    && chown -R app:app /app

USER app

CMD ["python", "main.py"]