FROM ruby:3.0 ARG UNAME=rubyapp ARG UID=1000 ARG GID=1000 RUN groupadd -g $GID -o $UNAME && useradd -u $UID -g $GID -d /app -ms /usr/sbin/nologin $UNAME WORKDIR /app COPY scripts/entrypoint.sh /entrypoint.sh COPY . . RUN bundle install VOLUME ["/certs"] USER $UNAME ENTRYPOINT ["/entrypoint.sh"]