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updates to docker image template based on feedback (#17494)

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* change base images to ubi9-minimal
* do all env2yaml related copying in 1 COPY
* use -trimpath in go build
* move other COPY to end of dockerfile
* don't run package manager upgrade
* FROM and AS with same case
* ENV x=y instead of ENV x y
* remove indirect config folder
This commit is contained in:
João Duarte 2025-04-09 16:17:39 +01:00 • committed by GitHub
parent b9bac5dfc6
commit 815fa8be1c
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1 changed files with 17 additions and 24 deletions
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41
docker/templates/Dockerfile.erb
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@ -13,7 +13,7 @@
<% license = 'Elastic License' -%>
<% end -%>
<% if image_flavor == 'full' || image_flavor == 'oss' -%>
<% base_image = 'docker.elastic.co/ubi9/ubi-minimal' -%>
<% base_image = 'redhat/ubi9-minimal:latest' -%>
<% go_image = 'golang:1.23' -%>
<% package_manager = 'microdnf' -%>
<% else -%>
@ -24,41 +24,28 @@
<% locale = 'C.UTF-8' -%>
# Build env2yaml
FROM <%= go_image %> as builder-env2yaml
FROM <%= go_image %> AS builder-env2yaml
COPY env2yaml/env2yaml.go /tmp/go/src/env2yaml/env2yaml.go
COPY env2yaml/go.mod /tmp/go/src/env2yaml/go.mod
COPY env2yaml/go.sum /tmp/go/src/env2yaml/go.sum
COPY env2yaml/env2yaml.go env2yaml/go.mod env2yaml/go.sum /tmp/go/src/env2yaml/
WORKDIR /tmp/go/src/env2yaml
RUN go build
RUN go build -trimpath
# Build main image
# Minimal distributions do not ship with en language packs.
FROM <%= base_image %>
ENV ELASTIC_CONTAINER true
ENV ELASTIC_CONTAINER=true
ENV PATH=/usr/share/logstash/bin:$PATH
ENV LANG=<%= locale %> LC_ALL=<%= locale %>
WORKDIR /usr/share
COPY --from=builder-env2yaml /tmp/go/src/env2yaml/env2yaml /usr/local/bin/env2yaml
COPY config/pipelines.yml config/log4j2.properties config/log4j2.file.properties config/
<% if image_flavor == 'oss' -%>
COPY config/logstash-oss.yml config/logstash.yml
<% else -%><%# 'full', 'wolfi' -%>
COPY config/logstash-full.yml config/logstash.yml
<% end -%>
COPY pipeline/default.conf pipeline/logstash.conf
COPY bin/docker-entrypoint /usr/local/bin/
# Install packages
RUN for iter in {1..10}; do \
<% if image_flavor == 'full' || image_flavor == 'oss' -%>
<%= package_manager %> update -y && \
<%= package_manager %> upgrade -y && \
<%= package_manager %> install -y procps findutils tar gzip && \
<%= package_manager %> install -y openssl && \
<%= package_manager %> install -y which shadow-utils && \
@ -93,17 +80,23 @@ RUN addgroup -g 1000 logstash && \
curl -Lo - <%= url_root %>/<%= tarball %> | \
tar zxf - -C /usr/share && \
mv /usr/share/logstash-<%= elastic_version %> /usr/share/logstash && \
chown -R logstash:root /usr/share/logstash config/ pipeline/ && \
chown -R logstash:root /usr/share/logstash && \
chmod -R g=u /usr/share/logstash && \
mv config/* /usr/share/logstash/config && \
mv pipeline /usr/share/logstash/pipeline && \
mkdir /licenses && \
mv /usr/share/logstash/NOTICE.TXT /licenses/NOTICE.TXT && \
mv /usr/share/logstash/LICENSE.txt /licenses/LICENSE.txt && \
find /usr/share/logstash -type d -exec chmod g+s {} \; && \
ln -s /usr/share/logstash /opt/logstash && \
chmod 0755 /usr/local/bin/docker-entrypoint && \
rmdir config
ln -s /usr/share/logstash /opt/logstash
COPY --from=builder-env2yaml /tmp/go/src/env2yaml/env2yaml /usr/local/bin/env2yaml
COPY --chown=logstash:root config/pipelines.yml config/log4j2.properties config/log4j2.file.properties /usr/share/logstash/config/
<% if image_flavor == 'oss' -%>
COPY --chown=logstash:root config/logstash-oss.yml /usr/share/logstash/config/logstash.yml
<% else -%><%# 'full', 'wolfi' -%>
COPY --chown=logstash:root config/logstash-full.yml /usr/share/logstash/config/logstash.yml
<% end -%>
COPY --chown=logstash:root pipeline/default.conf /usr/share/logstash/pipeline/logstash.conf
COPY --chmod=0755 bin/docker-entrypoint /usr/local/bin/
WORKDIR /usr/share/logstash