FROM fluent/fluentd:v1.9.0-debian-1.0 USER root RUN apt-get update \ && apt-get -y install --no-install-recommends wget \ && rm -rf /var/lib/apt/lists/* RUN gem install gelf RUN cd /fluentd/plugins \ && wget -q https://raw.githubusercontent.com/emsearcy/fluent-plugin-gelf/master/lib/fluent/plugin/out_gelf.rb COPY fluent.conf /fluentd/etc/