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Dockerfile.erb
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Dockerfile.erb
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<% fluentd_ver = version.split("-").first %>
<% is_v1 = fluentd_ver.start_with?('v1') %>
<% target = (dockerfile.split("/").last.split("-").last) %>
<% requires_git = %w(graylog).include? target %>
<% is_alpine = (dockerfile.split("/").last.split("-").first == "alpine") %>
# AUTOMATICALLY GENERATED
# DO NOT EDIT THIS FILE DIRECTLY, USE /templates/Dockerfile.erb
<% if is_alpine %>
FROM fluent/fluentd:<%= fluentd_ver %>
<% else %>
FROM fluent/fluentd:<%= fluentd_ver %>-debian
<% end %>
LABEL maintainer="Eduardo Silva <eduardo@treasure-data.com>"
USER root
WORKDIR /home/fluent
<% if is_alpine %>
ENV PATH /fluentd/vendor/bundle/ruby/2.4.0/bin:$PATH
ENV GEM_PATH /fluentd/vendor/bundle/ruby/2.4.0
ENV GEM_HOME /fluentd/vendor/bundle/ruby/2.4.0
<% else %>
ENV PATH /fluentd/vendor/bundle/ruby/2.3.0/bin:$PATH
ENV GEM_PATH /fluentd/vendor/bundle/ruby/2.3.0
ENV GEM_HOME /fluentd/vendor/bundle/ruby/2.3.0
<% end %>
# skip runtime bundler installation
ENV FLUENTD_DISABLE_BUNDLER_INJECTION 1
COPY Gemfile* /fluentd/
<% if is_alpine %>
RUN set -ex \
&& apk upgrade --no-cache \
&& apk add --no-cache ruby-bundler \
&& apk add --no-cache --virtual .build-deps \
build-base \
ruby-dev \
libffi-dev \
<% if target == "graylog" %>
zlib-dev \
<% end %>
<% if requires_git %>
git \
<% end %>
&& gem install bundler --version 1.16.1 \
<% else %>
RUN buildDeps="sudo make gcc g++ libc-dev ruby-dev libffi-dev<% if target == "graylog" %> build-essential patch zlib1g-dev liblzma-dev<% end %><% if requires_git %> git<% end %>" \
&& apt-get update \
&& apt-get upgrade -y \
&& apt-get install \
-y --no-install-recommends \
<% if is_v1 %>
$buildDeps net-tools libjemalloc1 \
<% else %>
$buildDeps net-tools \
<% end %>
&& gem install bundler --version 1.16.2 \
<% end %>
&& bundle config silence_root_warning true \
&& bundle install --gemfile=/fluentd/Gemfile --path=/fluentd/vendor/bundle \
<% if is_alpine %>
&& apk del .build-deps \
<% else %>
&& SUDO_FORCE_REMOVE=yes \
apt-get purge -y --auto-remove \
-o APT::AutoRemove::RecommendsImportant=false \
$buildDeps \
&& rm -rf /var/lib/apt/lists/* \
<% end %>
&& gem sources --clear-all \
&& rm -rf /tmp/* /var/tmp/* /usr/lib/ruby/gems/*/cache/*.gem
# Copy configuration files
COPY ./conf/fluent.conf /fluentd/etc/
<% if !is_alpine %>
COPY ./conf/systemd.conf /fluentd/etc/
<% end %>
COPY ./conf/kubernetes.conf /fluentd/etc/
# Copy plugins
COPY plugins /fluentd/plugins/
COPY entrypoint.sh /fluentd/entrypoint.sh
# Environment variables
ENV FLUENTD_OPT=""
ENV FLUENTD_CONF="fluent.conf"
<% if is_v1 %>
# See https://packages.debian.org/stretch/amd64/libjemalloc1/filelist
ENV LD_PRELOAD="/usr/lib/x86_64-linux-gnu/libjemalloc.so.1"
<% else %>
# jemalloc is memory optimization only available for td-agent
# td-agent is provided and QA'ed by treasuredata as rpm/deb/.. package
# -> td-agent (stable) vs fluentd (edge)
#ENV LD_PRELOAD="/usr/lib/libjemalloc.so.2"
<% end %>
<% if is_v1 %>
# Overwrite ENTRYPOINT to run fluentd as root for /var/log / /var/lib
ENTRYPOINT ["/fluentd/entrypoint.sh"]
<% else %>
# Run Fluentd
CMD ["/fluentd/entrypoint.sh"]
<% end %>