FROM python:3.11.2-slim-bullseye AS builder

RUN apt-get update && \

apt-get upgrade --yes

RUN useradd --create-home realpython

USER realpython

WORKDIR /home/realpython

ENV VIRTUALENV=/home/realpython/venv

RUN python3 -m venv $VIRTUALENV

ENV PATH="$VIRTUALENV/bin:$PATH"

COPY --chown=realpython pyproject.toml constraints.txt ./

RUN python -m pip install --upgrade pip setuptools && \

python -m pip install --no-cache-dir -c constraints.txt ".[dev]"

COPY --chown=realpython src/ src/

COPY --chown=realpython test/ test/

RUN python -m pip install . -c constraints.txt && \

python -m pytest test/unit/ && \

python -m flake8 src/ && \

python -m isort src/ --check && \

python -m black src/ --check --quiet && \

python -m pylint src/ --disable=C0114,C0116,R1705 && \

python -m bandit -r src/ --quiet && \

python -m pip wheel --wheel-dir dist/ . -c constraints.txt

FROM python:3.11.2-slim-bullseye

RUN apt-get update && \

apt-get upgrade --yes

RUN useradd --create-home realpython

USER realpython

WORKDIR /home/realpython

ENV VIRTUALENV=/home/realpython/venv

RUN python3 -m venv $VIRTUALENV

ENV PATH="$VIRTUALENV/bin:$PATH"

COPY --from=builder /home/realpython/dist/page_tracker*.whl /home/realpython

RUN python -m pip install --upgrade pip setuptools && \

python -m pip install --no-cache-dir page_tracker*.whl

CMD ["flask", "--app", "page_tracker.app", "run", \

"--host", "0.0.0.0", "--port", "5000"]