FROM ruby:2-bullseye
COPY Gemfile* /tmp/
RUN cd /tmp && bundle install && rm Gemfile*
RUN apt-get update && apt-get install -y rsync git && rm -rf /var/lib/apt/lists/*
COPY scripts/update-site.sh /usr/local/bin/

# Home directory of user, containing ssh keys, etc.
VOLUME /data
# Website source
ENV WEBSITE_SOURCE=/website-source/git
VOLUME /website-source
# Compiled website
VOLUME /website

RUN useradd -M -d /data siteupdate && chown siteupdate:siteupdate /data /website-source /website
USER siteupdate:siteupdate
WORKDIR /data
CMD /usr/local/bin/update-site.sh