Dockerfile

FROM fluent/fluentd

RUN apk add --update --virtual .build-deps \
        sudo build-base ruby-dev \
 && sudo gem install --no-document \
        "fluent-plugin-gcs:0.4.0.beta1" \
				fluent-plugin-cloudwatch-put \
				fluent-plugin-slack \
 && sudo gem sources --clear-all \
 && apk del .build-deps \
 && rm -rf /var/cache/apk/* \
           /home/fluent/.gem/ruby/2.3.0/cache/*.gem

COPY out_cloudwatch_put.rb /usr/lib/ruby/gems/2.4.0/gems/fluent-plugin-cloudwatch-put-0.2.1/lib/fluent/plugin/out_cloudwatch_put.rb