FROM docker.io/python:3.12-slim as builder
WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

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

FROM docker.io/python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

RUN useradd --no-create-home --system user && mkdir /data && chown user:user /data

ENV DB_PATH /data/presence-tracker.sqlite

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

RUN pip install --no-cache /wheels/*
USER user
COPY . .

ENTRYPOINT ["python3", "/app/main.py"]