Dockerfile

# AUTOMATICALLY GENERATED
# DO NOT EDIT THIS FILE DIRECTLY, USE /templates/Dockerfile.erb

# For multiarch build on Docker hub automated build.
FROM golang:alpine AS builder
WORKDIR /go
ENV QEMU_DOWNLOAD_SHA256 5db25cccb40ac7b1ca857653b883376b931d91b06ff34ffe70dcf6180bd07bb8
RUN apk add curl --no-cache
RUN curl -sL -o qemu-6.0.0.balena1-aarch64.tar.gz https://github.com/balena-io/qemu/releases/download/v6.0.0%2Bbalena1/qemu-6.0.0.balena1-aarch64.tar.gz && echo "$QEMU_DOWNLOAD_SHA256 *qemu-6.0.0.balena1-aarch64.tar.gz" | sha256sum -c - | tar zxvf qemu-6.0.0.balena1-aarch64.tar.gz -C . && mv qemu-6.0.0+balena1-aarch64/qemu-aarch64-static .

FROM fluent/fluentd:v1.14.5-debian-arm64-1.0
COPY --from=builder /go/qemu-aarch64-static /usr/bin/

LABEL maintainer="Eduardo Silva <eduardo@treasure-data.com>"
USER root
WORKDIR /home/fluent
ENV PATH /fluentd/vendor/bundle/ruby/2.7.0/bin:$PATH
ENV GEM_PATH /fluentd/vendor/bundle/ruby/2.7.0
ENV GEM_HOME /fluentd/vendor/bundle/ruby/2.7.0
# skip runtime bundler installation
ENV FLUENTD_DISABLE_BUNDLER_INJECTION 1

COPY Gemfile* /fluentd/
RUN buildDeps="sudo make gcc g++ libc-dev libffi-dev" \
  runtimeDeps="pkg-config libxslt-dev libxml2-dev" \
      && apt-get update \
     && apt-get upgrade -y \
     && apt-get install \
     -y --no-install-recommends \
     $buildDeps $runtimeDeps net-tools \
    && gem install bundler --version 2.2.24 \
    && bundle config silence_root_warning true && bundle config build.nokogiri --use-system-libraries \
    && bundle install --gemfile=/fluentd/Gemfile --path=/fluentd/vendor/bundle \
    && SUDO_FORCE_REMOVE=yes \
    apt-get purge -y --auto-remove \
                  -o APT::AutoRemove::RecommendsImportant=false \
                  $buildDeps \
 && rm -rf /var/lib/apt/lists/* \
    && gem sources --clear-all \
    && rm -rf /tmp/* /var/tmp/* /usr/lib/ruby/gems/*/cache/*.gem
# Copy configuration files
COPY ./conf/fluent.conf /fluentd/etc/
COPY ./conf/systemd.conf /fluentd/etc/
COPY ./conf/kubernetes.conf /fluentd/etc/
COPY ./conf/prometheus.conf /fluentd/etc/
COPY ./conf/tail_container_parse.conf /fluentd/etc/
COPY ./conf/kubernetes/*.conf /fluentd/etc/kubernetes/
RUN touch /fluentd/etc/disable.conf

# Copy plugins
COPY plugins /fluentd/plugins/
COPY entrypoint.sh /fluentd/entrypoint.sh

# Environment variables
ENV FLUENTD_OPT=""
ENV FLUENTD_CONF="fluent.conf"

# Overwrite ENTRYPOINT to run fluentd as root for /var/log / /var/lib
ENTRYPOINT ["tini", "--", "/fluentd/entrypoint.sh"]