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fix(techdocs-builder): replace EOL openjdk:11-buster with eclipse-temurin:11-alpine - #16

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copilot/fix-docker-build-push-job-failure
May 30, 2026
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fix(techdocs-builder): replace EOL openjdk:11-buster with eclipse-temurin:11-alpine#16
Ryangr0 merged 2 commits into
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copilot/fix-docker-build-push-job-failure

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Copilot AI commented May 30, 2026 •
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openjdk:11.0.11-jre-slim is based on Debian Buster (EOL) — its apt repos no longer publish Release files, breaking apt-get update on both linux/amd64 and linux/arm64. The arm64 build also fails at the QEMU emulation layer with the old image format.

Changes

  • ops/docker/techdocs-builder/Dockerfile
    • Replaces openjdk:11.0.11-jre-slim (Debian Buster) with eclipse-temurin:11.0.31_11-jre-alpine — the recommended successor to deprecated openjdk Docker Hub images, Alpine-based, actively maintained, with proper linux/arm64 support
    • Switches package installation from apt-get to apk:
# Before
FROM openjdk:11.0.11-jre-slim@sha256:dfa2c54... AS openjdk
RUN apt-get update && apt-get install -y curl && apt-get clean

# After
FROM eclipse-temurin:11.0.31_11-jre-alpine@sha256:a83a14... AS openjdk
RUN apk add --no-cache curl

fix(techdocs-builder): replace EOL openjdk:11-buster with eclipse-tem…
bc2611e 
…urin:11-alpine

The openjdk:11.0.11-jre-slim image is based on Debian Buster (10) which is
End-of-Life. The Debian repositories no longer publish Release files, causing
apt-get update to fail on both linux/amd64 and linux/arm64 builds.
The arm64 QEMU emulation also fails with the old image.

Replace with eclipse-temurin:11.0.31_11-jre-alpine (Alpine-based, maintained,
arm64-compatible) and switch from apt-get to apk accordingly.
Copilot AI changed the title [WIP] Fix failing GitHub Actions job for Docker build and push fix(techdocs-builder): replace EOL openjdk:11-buster with eclipse-temurin:11-alpine May 30, 2026
Copilot AI requested a review from Ryangr0 May 30, 2026 04:56
@Ryangr0
Ryangr0 marked this pull request as ready for review May 30, 2026 05:10
@Ryangr0
Ryangr0 merged commit 3269e2e into main May 30, 2026
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🎉 This PR is included in version 1.2.1 🎉

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🎉 This PR is included in version 1.2.0 🎉

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🎉 This PR is included in version 1.2.0 🎉

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🎉 This PR is included in version 1.3.0 🎉

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🎉 This PR is included in version 1.1.0 🎉

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🎉 This PR is included in version 1.2.0 🎉

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🎉 This PR is included in version 1.1.0 🎉

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