ARG PYTHON_VERSION=3.10
FROM python:${PYTHON_VERSION}-slim

# avoid .pyc and buffering stdout/stderr
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# add non-root user
ARG UID=1000
RUN adduser \
    --disabled-password \
    --no-create-home \
    --uid "${UID}" \
    --home "/app" \
    bot

# install requirements
RUN --mount=type=cache,target=/root/.cache/pip \
    --mount=type=bind,source=requirements.txt,target=requirements.txt \
    pip install -r requirements.txt

# copy sources
COPY --chown=bot --chmod=774 docker-entrypoint.sh /app/
COPY --chown=bot migrations /app/migrations
COPY --chown=bot mybot /app/mybot
COPY --chown=bot i18n.yaml /app/

# prepare environment
ENV I18N_PATH=/data/i18n.yaml
ENV DB_URL=sqlite:////data/bot.db

RUN mkdir -p /data
RUN chown bot:bot /data
VOLUME /data

USER bot
WORKDIR /app

ENTRYPOINT ["./docker-entrypoint.sh"]