ci: build arm64 docker image#1587
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Adding support to build arm64 docker images.
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Thank you for the contribution and for opening issue #1513 — arm64 Docker support is a genuinely useful feature and we've now added it, just not to the v3 image. The problem with adding arm64 to the SBCL-based is QEMU: compiling pgloader's Common Lisp codebase under software emulation takes 2–4 hours on a standard GitHub Actions runner, making multi-arch CI impractical there. The good news is that the Clojure/JVM v4 is the right place for this. The JVM build produces a platform-independent JAR, so arm64 support costs almost nothing: PR #1744 adds with native linux/amd64 and linux/arm64 support, built without QEMU overhead. The docs cover it under Docker image (v4). Closing in favour of #1744. |
dimitri
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Jun 27, 2026
* feat(docker): publish multi-arch v4 image to ghcr.io Add a new docker-publish-v4.yml workflow that builds and pushes a linux/amd64 + linux/arm64 Docker image for the Clojure/JVM v4 build to ghcr.io/dimitri/pgloader-v4. The JVM is ideally suited for multi-arch: the Clojure build step produces a platform-independent JAR. The builder stage in clojure/Dockerfile now carries --platform=$BUILDPLATFORM so the Clojure compilation always runs natively on the GitHub Actions host (linux/amd64), producing the JAR in seconds. QEMU is only needed for the runtime stage, where it executes a handful of shell commands to set up the non-root user — trivially fast. Publication strategy mirrors the v3 workflow: - push to main → ghcr.io/dimitri/pgloader-v4:latest - semver tag → ghcr.io/dimitri/pgloader-v4:<version> - pull request → build only, no push GHA build-cache (type=gha) is wired up so layer reuse applies across both platforms on repeated pushes. Closes #1587. Docs: add Docker (v4) subsection to install.rst. * fix(docker): use stable pgloader.jar symlink in runtime COPY The builder stage creates the JAR at: target/pgloader-v4-${PGLOADER_VERSION}.jar (default 4.0.0-SNAPSHOT) and a stable symlink target/pgloader.jar pointing to it. The previous COPY referenced the hardcoded version 0.1.0-SNAPSHOT which never existed, causing the build to fail. Use the symlink instead; Docker COPY follows it to the real JAR.
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Adding support to build arm64 docker images.
Fixes: #1513