Cleanup large unused files

Reduces the alpine image from 46M to 41M.

yajl parts can be removed if/when
brianmario/yajl-ruby#228 is merged and
released.

Author: orgads

Dockerfile.template.erb

@@ -150,7 +150,15 @@ RUN apt-get update \
                   '*-dev' \
  && rm -rf /var/lib/apt/lists/* \
 <% end %>
- && rm -rf /tmp/* /var/tmp/* /usr/lib/ruby/gems/*/cache/*.gem /usr/lib/ruby/gems/3.*/gems/fluentd-*/test
+ && rm -rf \
+   /tmp/* \
+   /var/tmp/* \
+   /usr/lib/ruby/gems/*/cache/*.gem \
+   /usr/lib/ruby/gems/3.*/gems/fluentd-*/test \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/benchmark \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/ext \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/spec \
+   /usr/lib/ruby/gems/3.*/gems/oj-*/ext
 
 <% if is_alpine %>
 RUN addgroup -S fluent && adduser -S -G fluent fluent \

v1.16/alpine/Dockerfile

@@ -28,7 +28,15 @@ RUN apk update \
  && gem install bigdecimal -v 1.4.4 \
  && apk del .build-deps \
  && rm -rf /var/cache/apk/* \
- && rm -rf /tmp/* /var/tmp/* /usr/lib/ruby/gems/*/cache/*.gem /usr/lib/ruby/gems/3.*/gems/fluentd-*/test
+ && rm -rf \
+   /tmp/* \
+   /var/tmp/* \
+   /usr/lib/ruby/gems/*/cache/*.gem \
+   /usr/lib/ruby/gems/3.*/gems/fluentd-*/test \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/benchmark \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/ext \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/spec \
+   /usr/lib/ruby/gems/3.*/gems/oj-*/ext
 
 RUN addgroup -S fluent && adduser -S -G fluent fluent \
     # for log storage (maybe shared with host)

v1.16/arm64/debian/Dockerfile

@@ -57,7 +57,15 @@ RUN apt-get update \
                   $buildDeps \
                   '*-dev' \
  && rm -rf /var/lib/apt/lists/* \
- && rm -rf /tmp/* /var/tmp/* /usr/lib/ruby/gems/*/cache/*.gem /usr/lib/ruby/gems/3.*/gems/fluentd-*/test
+ && rm -rf \
+   /tmp/* \
+   /var/tmp/* \
+   /usr/lib/ruby/gems/*/cache/*.gem \
+   /usr/lib/ruby/gems/3.*/gems/fluentd-*/test \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/benchmark \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/ext \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/spec \
+   /usr/lib/ruby/gems/3.*/gems/oj-*/ext
 
 RUN groupadd -r fluent && useradd -r -g fluent fluent \
     # for log storage (maybe shared with host)

v1.16/armhf/debian/Dockerfile

@@ -57,7 +57,15 @@ RUN apt-get update \
                   $buildDeps \
                   '*-dev' \
  && rm -rf /var/lib/apt/lists/* \
- && rm -rf /tmp/* /var/tmp/* /usr/lib/ruby/gems/*/cache/*.gem /usr/lib/ruby/gems/3.*/gems/fluentd-*/test
+ && rm -rf \
+   /tmp/* \
+   /var/tmp/* \
+   /usr/lib/ruby/gems/*/cache/*.gem \
+   /usr/lib/ruby/gems/3.*/gems/fluentd-*/test \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/benchmark \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/ext \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/spec \
+   /usr/lib/ruby/gems/3.*/gems/oj-*/ext
 
 RUN groupadd -r fluent && useradd -r -g fluent fluent \
     # for log storage (maybe shared with host)

v1.16/debian/Dockerfile

@@ -46,7 +46,15 @@ RUN apt-get update \
                   $buildDeps \
                   '*-dev' \
  && rm -rf /var/lib/apt/lists/* \
- && rm -rf /tmp/* /var/tmp/* /usr/lib/ruby/gems/*/cache/*.gem /usr/lib/ruby/gems/3.*/gems/fluentd-*/test
+ && rm -rf \
+   /tmp/* \
+   /var/tmp/* \
+   /usr/lib/ruby/gems/*/cache/*.gem \
+   /usr/lib/ruby/gems/3.*/gems/fluentd-*/test \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/benchmark \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/ext \
+   /usr/lib/ruby/gems/3.*/gems/yajl-ruby-*/spec \
+   /usr/lib/ruby/gems/3.*/gems/oj-*/ext
 
 RUN groupadd -r fluent && useradd -r -g fluent fluent \
     # for log storage (maybe shared with host)