[ZEPPELIN-6502] Replace deprecated openjdk Docker image with Eclipse Temurin - #5331
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tbonelee
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Jul 20, 2026
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What is this PR for?
The root
Dockerfileused theopenjdk:11base image for its build stage, but that image is deprecated on Docker Hub and no longer receives updates. This PR replaces it witheclipse-temurin:11-jdk, the community-recommended drop-in successor, and uppercases theASkeyword to match modern Dockerfile (BuildKit) conventionWhat type of PR is it?
Improvement
Todos
FROM openjdk:11 as builderwithFROM eclipse-temurin:11-jdk AS builderWhat is the Jira issue?
ZEPPELIN-6502
How should this be tested?
docker build --check -f Dockerfile .— confirms the image resolves and the Dockerfile has no lint warningsdocker build -f Dockerfile .to confirm the image still builds and produces a working Zeppelin distributionScreenshots (if appropriate)
N/A (Dockerfile change, no UI
Questions: