# --- build stage: собираем wheels для runtime-образа ---
FROM python:3.12-slim AS builder
WORKDIR /build

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

COPY requirements.txt .
RUN pip wheel --no-cache-dir --wheel-dir /wheels -r requirements.txt

# --- runtime stage ---
FROM python:3.12-slim AS runtime
WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
        libpq5 curl \
    && rm -rf /var/lib/apt/lists/* \
    && groupadd --system --gid 1000 panel \
    && useradd --system --uid 1000 --gid panel --home-dir /app panel

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

RUN chown -R panel:panel /app
COPY --chown=panel:panel app ./app

# Применяем исправление LXC для Proxmox VE 9 до перехода на non-root.
COPY patch_lxc.py /tmp/patch_lxc.py
RUN python /tmp/patch_lxc.py && rm /tmp/patch_lxc.py \
    && chown panel:panel /app/app/proxmox_client.py

USER panel

EXPOSE 8000

HEALTHCHECK --interval=15s --timeout=5s --retries=3 --start-period=20s \
    CMD curl -fsS http://localhost:8000/health || exit 1

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]