FROM alpine:3.17

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 apk --no-cache add postgresql13-client python3 py3-pip tini

COPY ./ $APP_HOME
WORKDIR $APP_HOME

RUN python3 -m pip install $APP_HOME

ENTRYPOINT ["tini", "--"]

CMD ["python3", "start.py"]