Dongjoon Hyun created SPARK-49272:
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Summary: Update `Dockerfile` to use `alpine/java:17-jdk` instead
of `gradle:8.9.0-jdk17-jammy`
Key: SPARK-49272
URL: https://issues.apache.org/jira/browse/SPARK-49272
Project: Spark
Issue Type: Sub-task
Components: Build
Affects Versions: kubernetes-operator-0.1.0
Reporter: Dongjoon Hyun
`alpine` Java 21 image is 65% smaller. And, we currently use grade wrapper to
download newer image always.
{code}
$ docker images | head -n3
REPOSITORY TAG
IMAGE ID CREATED SIZE
alpine/java 17-jdk
c6b1a03c388c 6 days ago 318MB
gradle 8.9.0-jdk17-jammy
28e51bcaedf1 5 weeks ago 710MB
{code}
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