FROM python:3.10-slim-bullseye

ENV HOME=/home/app \
    APP_HOME=/home/app/docker-postgres-backup \
    \
    # python
    PYTHONPATH=${PYTHONPATH}:${PWD} \
    PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    \
    # pip
    PIP_NO_CACHE_DIR=off \
    PIP_DISABLE_PIP_VERSION_CHECK=on \
    PIP_DEFAULT_TIMEOUT=100 \
    \
    # language locales
    LANG=en_US.UTF-8 \
    LANGUAGE=en_US:en \
    LC_ALL=en_US.UTF-8

RUN apt-get update && apt-get install -y --no-install-recommends locales postgresql-client-13 tini && \
    apt-get -y --purge autoremove && apt-get clean && rm -rf /var/cache/apt && \
    sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen && pip install -U pip

COPY ./ $APP_HOME
WORKDIR $APP_HOME

RUN python -m pip install $APP_HOME

ENTRYPOINT ["tini", "--"]

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