ci: add reusable headless Docker build environment#1475
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Add a Maven profile activated on linux/aarch64 that sets osgi.os=linux, osgi.ws=gtk, osgi.arch=aarch64. Without it, Tycho falls back to the pom's default win32 target environment on arm64 Linux and builds an unlaunchable test runtime (NoClassDefFoundError: org.eclipse.swt.SWTError, exit code 13), so SWT/UI tests cannot run in an arm64 container. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Add docker/Dockerfile (Maven + Temurin 21 base plus Xvfb and the GTK/X11 libraries Eclipse SWT and AWT require) and a README documenting how to run the full verify suite headlessly in a container. Runs --init so xvfb-run is not PID 1, and mounts a persistent .m2 volume to cache p2/Maven downloads between runs. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Adds a self-contained Docker image and documentation for building and testing DSL DevKit headlessly in a Linux container, plus the Tycho target-environment profile needed to make that work on arm64 hosts.
What it adds
docker/Dockerfile— Maven + Eclipse Temurin 21 base, with Xvfb and the GTK/X11 libraries that Eclipse SWT and AWT require at runtime (includinglibXtst, without which the workbench fails to launch).docker/README.md— how to build the image and run the fullverifysuite (tests + Checkstyle/PMD/CPD/SpotBugs) headlessly under Xvfb. Documents running with--init(soxvfb-runis not PID 1, which otherwise hangs the container) and mounting a persistent.m2volume to cache p2/Maven downloads between runs. Includes aDockerfile.localoverride path for networks that cannot reach Docker Hub.64bit_linux_aarch64Maven profile inddk-parent/pom.xml— setsosgi.os=linux,osgi.ws=gtk,osgi.arch=aarch64. Without it, Tycho falls back to the default win32 target environment on arm64 Linux and builds an unlaunchable test runtime, so SWT/UI tests cannot run there.Verification
Full
verifysuite (including SWT/SWTBot UI tests under Xvfb) runs green in the container: all modules build, 714 tests pass, 0 failures, 0 errors.